(sendmail-query-once): Add an autoload cookie.

lisp/ChangeLog

@@ -2,6 +2,7 @@
 
 	* mail/sendmail.el (send-mail-function): Change the default to
 	`sendmail-query-once'.
+	(sendmail-query-once): Add an autoload cookie.
 
 	* net/network-stream.el (network-stream-open-starttls): Try using
 	a plain connection even if the server offered STARTTLS, and we

lisp/mail/sendmail.el

@@ -168,6 +168,7 @@ This is used by the default mail-sending commands.  See also
 (defvar sendmail-query-once-function 'query
   "Either a function to send email, or the symbol `query'.")
 
+;;;###autoload
 (defun sendmail-query-once ()
   "Send an email via `sendmail-query-once-function'.
 If `sendmail-query-once-function' is `query', ask the user what