* lisp/gnus: Quote functions with #'

To get better warnings, try and use #' to quote function names.

* lisp/gnus/canlock.el:
* lisp/gnus/deuglify.el:
* lisp/gnus/gmm-utils.el:
* lisp/gnus/gnus-agent.el:
* lisp/gnus/gnus-art.el:
* lisp/gnus/gnus-bookmark.el:
* lisp/gnus/gnus-cache.el:
* lisp/gnus/gnus-cite.el:
* lisp/gnus/gnus-cus.el:
* lisp/gnus/gnus-delay.el:
* lisp/gnus/gnus-diary.el:
* lisp/gnus/gnus-dired.el:
* lisp/gnus/gnus-draft.el:
* lisp/gnus/gnus-fun.el:
* lisp/gnus/gnus-group.el:
* lisp/gnus/gnus-html.el:
* lisp/gnus/gnus-int.el:
* lisp/gnus/gnus-kill.el:
* lisp/gnus/gnus-mlspl.el:
* lisp/gnus/gnus-msg.el:
* lisp/gnus/gnus-notifications.el:
* lisp/gnus/gnus-picon.el:
* lisp/gnus/gnus-registry.el:
* lisp/gnus/gnus-rfc1843.el:
* lisp/gnus/gnus-salt.el:
* lisp/gnus/gnus-score.el:
* lisp/gnus/gnus-search.el:
* lisp/gnus/gnus-sieve.el:
* lisp/gnus/gnus-srvr.el:
* lisp/gnus/gnus-start.el:
* lisp/gnus/gnus-topic.el:
* lisp/gnus/gnus-undo.el:
* lisp/gnus/gnus-util.el:
* lisp/gnus/gnus-uu.el:
* lisp/gnus/gnus.el:
* lisp/gnus/mail-source.el:
* lisp/gnus/message.el:
* lisp/gnus/mm-archive.el:
* lisp/gnus/mm-decode.el:
* lisp/gnus/mm-url.el:
* lisp/gnus/mm-util.el:
* lisp/gnus/mm-view.el:
* lisp/gnus/mml-sec.el:
* lisp/gnus/mml-smime.el:
* lisp/gnus/mml.el:
* lisp/gnus/nnagent.el:
* lisp/gnus/nndiary.el:
* lisp/gnus/nndoc.el:
* lisp/gnus/nndraft.el:
* lisp/gnus/nnfolder.el:
* lisp/gnus/nnheader.el:
* lisp/gnus/nnmail.el:
* lisp/gnus/nnmaildir.el:
* lisp/gnus/nnmairix.el:
* lisp/gnus/nnmh.el:
* lisp/gnus/nnml.el:
* lisp/gnus/nnrss.el:
* lisp/gnus/nnselect.el:
* lisp/gnus/nnspool.el:
* lisp/gnus/nnvirtual.el:
* lisp/gnus/nnweb.el:
* lisp/gnus/smiley.el:
* lisp/gnus/smime.el:
* lisp/gnus/spam-report.el:
* lisp/gnus/spam-stat.el:
* lisp/gnus/spam-wash.el:
* lisp/gnus/spam.el:

lisp/gnus/gnus-start.el

@@ -259,7 +259,7 @@ not match this regexp will be removed before saving the list."
 		regexp))
 
 (defcustom gnus-ignored-newsgroups
-  (mapconcat 'identity
+  (mapconcat #'identity
 	     '("^to\\."			; not "real" groups
 	       "^[0-9. \t]+\\( \\|$\\)"	; all digits in name
 	       "^[\"][\"#'()]"	; bogus characters
@@ -518,7 +518,7 @@ Can be used to turn version control on or off."
 ;; For subscribing new newsgroup
 
 (defun gnus-subscribe-hierarchical-interactive (groups)
-  (let ((groups (sort groups 'string<))
+  (let ((groups (sort groups #'string<))
 	prefixes prefix start ans group starts)
     (while groups
       (setq prefixes (list "^"))
@@ -3162,7 +3162,7 @@ SPECIFIC-VARIABLES, or those in `gnus-variable-list'."
   "Declare back end NAME with ABILITIES as a Gnus back end."
   (setq gnus-valid-select-methods
 	(nconc gnus-valid-select-methods
-	       (list (apply 'list name abilities))))
+	       (list (apply #'list name abilities))))
   (gnus-redefine-select-method-widget))
 
 (defun gnus-set-default-directory ()