Remove some unnecessary calls to mh-funcall-if-exists

* lisp/mh-e/mh-acros.el (mh-do-at-event-location):
* lisp/mh-e/mh-mime.el (mh-mime-cleanup, mh-display-smileys)
(mh-insert-mime-security-button, mh-insert-mime-button):
* lisp/mh-e/mh-show.el (mh-defun-show-buffer):
* lisp/mh-e/mh-xface.el (mh-x-image-url-fetch-image)
(mh-x-image-display, mh-picon-image-types): Remove unnecessary calls
to mh-funcall-if-exists; these functions always exist as they are
autoloaded.

lisp/mh-e/mh-acros.el

@@ -162,12 +162,8 @@ preserved."
         (original-position (make-symbol "original-position"))
         (modified-flag (make-symbol "modified-flag")))
     `(save-excursion
-       (let* ((,event-window
-               (or (mh-funcall-if-exists posn-window (event-start ,event))
-                   (mh-funcall-if-exists event-window ,event)))
-              (,event-position
-               (or (mh-funcall-if-exists posn-point (event-start ,event))
-                   (mh-funcall-if-exists event-closest-point ,event)))
+       (let* ((,event-window (posn-window (event-start ,event)))
+              (,event-position (posn-point (event-start ,event)))
               (,original-window (selected-window))
               (,original-position (progn
                                    (set-buffer (window-buffer ,event-window))

lisp/mh-e/mh-folder.el

@@ -516,10 +516,6 @@ font-lock is done highlighting.")
 (when (and (boundp 'which-func-modes) (listp which-func-modes))
   (add-to-list 'which-func-modes 'mh-folder-mode))
 
-;; Shush compiler.
-(defvar desktop-save-buffer)
-(defvar font-lock-auto-fontify)
-
 ;; Ensure new buffers won't get this mode if default major-mode is nil.
 (put 'mh-folder-mode 'mode-class 'special)
 

lisp/mh-e/mh-mime.el

@@ -859,12 +859,8 @@ by commands like \"K v\" which operate on individual MIME parts."
      :button-keymap mh-mime-button-map
      :help-echo
      "Mouse-2 click or press RET (in show buffer) to toggle display")
-    (dolist (ov (mh-funcall-if-exists overlays-in begin end))
-      (mh-funcall-if-exists overlay-put ov 'evaporate t))))
-
-;; Shush compiler.
-(defvar mm-verify-function-alist)       ; < Emacs 22
-(defvar mm-decrypt-function-alist)      ; < Emacs 22
+    (dolist (ov (overlays-in begin end))
+      (overlay-put ov 'evaporate t))))
 
 (defun mh-insert-mime-security-button (handle)
   "Display buttons for PGP message, HANDLE."
@@ -905,8 +901,8 @@ by commands like \"K v\" which operate on individual MIME parts."
                              :button-keymap mh-mime-security-button-map
                              :button-face face
                              :help-echo "Mouse-2 click or press RET (in show buffer) to see security details.")
-      (dolist (ov (mh-funcall-if-exists overlays-in begin end))
-        (mh-funcall-if-exists overlay-put ov 'evaporate t))
+      (dolist (ov (overlays-in begin end))
+        (overlay-put ov 'evaporate t))
       (when (equal info "Failed")
         (let* ((type (if (equal (car handle) "multipart/signed")
                          "verification" "decryption"))
@@ -1140,7 +1136,7 @@ this ;-)"
 (defun mh-display-smileys ()
   "Display smileys."
   (when (and mh-graphical-smileys-flag (mh-small-show-buffer-p))
-    (mh-funcall-if-exists smiley-region (point-min) (point-max))))
+    (smiley-region (point-min) (point-max))))
 
 ;;;###mh-autoload
 (defun mh-display-emphasis ()
@@ -1796,8 +1792,7 @@ initialized. Always use the command `mh-have-file-command'.")
 (defun mh-mime-cleanup ()
   "Free the decoded MIME parts."
   (let ((mime-data (gethash (current-buffer) mh-globals-hash)))
-    ;; This is for Emacs, what about XEmacs?
-    (mh-funcall-if-exists remove-images (point-min) (point-max))
+    (remove-images (point-min) (point-max))
     (when mime-data
       (mm-destroy-parts (mh-mime-handles mime-data))
       (remhash (current-buffer) mh-globals-hash))))

lisp/mh-e/mh-search.el

@@ -1413,9 +1413,6 @@ being the list of messages originally from that folder."
 
 (eval-and-compile (require 'which-func nil t))
 
-;; Shush compiler.
-(defvar which-func-mode)                ; < Emacs 22, XEmacs
-
 ;;;###mh-autoload
 (defun mh-index-create-imenu-index ()
   "Create alist of folder names and positions in index folder buffers."

lisp/mh-e/mh-seq.el

@@ -193,9 +193,6 @@ MESSAGE appears."
                         (mh-list-to-string (mh-seq-containing-msg message t))
                         " "))))
 
-;; Shush compiler.
-(defvar tool-bar-map)
-
 ;;;###mh-autoload
 (defun mh-narrow-to-seq (sequence)
   "Restrict display to messages in SEQUENCE.

lisp/mh-e/mh-show.el

@@ -363,11 +363,11 @@ still visible.\n")
                         folder-buffer)
            (delete-other-windows))
          (mh-goto-cur-msg t)
-         (mh-funcall-if-exists deactivate-mark)
+         (deactivate-mark)
          (unwind-protect
              (prog1 (call-interactively (function ,original-function))
                (setq normal-exit t))
-           (mh-funcall-if-exists deactivate-mark)
+           (deactivate-mark)
            (when (eq major-mode 'mh-folder-mode)
              (mh-funcall-if-exists hl-line-highlight))
            (cond ((not normal-exit)
@@ -817,9 +817,6 @@ operation."
 ;; Ensure new buffers won't get this mode if default major-mode is nil.
 (put 'mh-show-mode 'mode-class 'special)
 
-;; Shush compiler.
-(defvar font-lock-auto-fontify)
-
 ;;;###mh-autoload
 (define-derived-mode mh-show-mode text-mode "MH-Show"
   "Major mode for showing messages in MH-E.\\<mh-show-mode-map>

lisp/mh-e/mh-tool-bar.el

@@ -77,9 +77,6 @@ When INCLUDE-FLAG is non-nil, include message body being replied to."
 
 ;;; Tool Bar Creation
 
-;; Shush compiler.
-(defvar image-load-path)
-
 (defmacro mh-tool-bar-define (defaults &rest buttons)
   "Define a tool bar for MH-E.
 DEFAULTS is the list of buttons that are present by default. It

lisp/mh-e/mh-utils.el

@@ -121,9 +121,6 @@ Ignores case when searching for OLD."
 
 (defvar mh-logo-cache nil)
 
-;; Shush compiler.
-(defvar image-load-path)
-
 ;;;###mh-autoload
 (defun mh-logo-display ()
   "Modify mode line to display MH-E logo."

lisp/mh-e/mh-xface.el

@@ -145,7 +145,7 @@ The directories are searched for in the order they appear in the list.")
   (cl-loop for type in '(xpm xbm gif)
            when (or (mh-do-in-gnu-emacs
                      (ignore-errors
-                       (mh-funcall-if-exists image-type-available-p type))))
+                       (image-type-available-p type))))
            collect type))
 
 (autoload 'message-tokenize-header "sendmail")
@@ -371,7 +371,7 @@ filenames.  In addition, replaces * with %2a. See URL
                      (eq marker mh-x-image-marker))
             (goto-char marker)
             (mh-do-in-gnu-emacs
-              (mh-funcall-if-exists insert-image (create-image image 'png))))
+              (insert-image (create-image image 'png))))
         (set-buffer-modified-p buffer-modified-flag)))))
 
 (defun mh-x-image-url-fetch-image (url cache-file marker sentinel)
@@ -381,8 +381,7 @@ be displayed in a buffer and position specified by MARKER. The
 actual display is carried out by the SENTINEL function."
   (if mh-wget-executable
       (let ((buffer (generate-new-buffer mh-temp-fetch-buffer))
-            (filename (or (mh-funcall-if-exists make-temp-file "mhe-fetch")
-                          (expand-file-name (make-temp-name "~/mhe-fetch")))))
+            (filename (make-temp-file "mhe-fetch")))
         (with-current-buffer buffer
           (set (make-local-variable 'mh-x-image-url-cache-file) cache-file)
           (set (make-local-variable 'mh-x-image-marker) marker)