* gtkutil.c (xg_free_frame_widgets): Make it clear that a local variable is

needed only if USE_GTK_TOOLTIP.

src/ChangeLog

@@ -2,6 +2,8 @@
 
 	* gtkutil.c (xg_get_pixbuf_from_pixmap): Add cast from char *
 	to unsigned char * to avoid compiler diagnostic.
+	(xg_free_frame_widgets): Make it clear that a local variable is
+	needed only if USE_GTK_TOOLTIP.
 
 	* xgselect.c (xg_select): Remove unused var.
 

src/gtkutil.c

@@ -1188,7 +1188,9 @@ xg_free_frame_widgets (FRAME_PTR f)
 {
   if (FRAME_GTK_OUTER_WIDGET (f))
     {
+#ifdef USE_GTK_TOOLTIP
       struct x_output *x = f->output_data.x;
+#endif
       gtk_widget_destroy (FRAME_GTK_OUTER_WIDGET (f));
       FRAME_X_WINDOW (f) = 0; /* Set to avoid XDestroyWindow in xterm.c */
       FRAME_GTK_OUTER_WIDGET (f) = 0;