gnus: replace cl with cl-lib

* lisp/gnus/gnus-agent.el, lisp/gnus/gnus-art.el:
* lisp/gnus/gnus-async.el, lisp/gnus/gnus-cache.el:
* lisp/gnus/gnus-demon.el, lisp/gnus/gnus-group.el:
* lisp/gnus/gnus-icalendar.el, lisp/gnus/gnus-logic.el:
* lisp/gnus/gnus-msg.el, lisp/gnus/gnus-picon.el:
* lisp/gnus/gnus-registry.el, lisp/gnus/gnus-salt.el:
* lisp/gnus/gnus-score.el, lisp/gnus/gnus-spec.el:
* lisp/gnus/gnus-srvr.el, lisp/gnus/gnus-start.el:
* lisp/gnus/gnus-sum.el, lisp/gnus/gnus-topic.el:
* lisp/gnus/gnus-util.el, lisp/gnus/gnus-uu.el, lisp/gnus/gnus-win.el:
* lisp/gnus/mail-source.el, lisp/gnus/mm-decode.el:
* lisp/gnus/mm-encode.el, lisp/gnus/mm-url.el, lisp/gnus/mm-view.el:
* lisp/gnus/mml-smime.el, lisp/gnus/mml.el, lisp/gnus/mml2015.el:
* lisp/gnus/nnbabyl.el, lisp/gnus/nndoc.el, lisp/gnus/nneething.el:
* lisp/gnus/nnheader.el, lisp/gnus/nnimap.el, lisp/gnus/nnmail.el:
* lisp/gnus/nnmaildir.el, lisp/gnus/nnoo.el, lisp/gnus/nnrss.el:
* lisp/gnus/nnspool.el, lisp/gnus/nntp.el, lisp/gnus/nnvirtual.el:
* lisp/gnus/nnweb.el, lisp/gnus/spam.el: Replace cl with cl-lib.
* lisp/gnus/canlock.el, lisp/gnus/gnus-bcklg.el:
* lisp/gnus/gnus-cite.el, lisp/gnus/gnus-cloud.el:
* lisp/gnus/gnus-draft.el, lisp/gnus/gnus-dup.el:
* lisp/gnus/gnus-fun.el, lisp/gnus/gnus-html.el:
* lisp/gnus/gnus-int.el, lisp/gnus/gnus-kill.el, lisp/gnus/gnus-ml.el:
* lisp/gnus/gnus-mlspl.el, lisp/gnus/gnus-range.el:
* lisp/gnus/gnus-undo.el, lisp/gnus/gnus-vm.el:
* lisp/gnus/mm-partial.el, lisp/gnus/mm-uu.el, lisp/gnus/mml1991.el:
* lisp/gnus/nnagent.el, lisp/gnus/nndiary.el, lisp/gnus/nndir.el:
* lisp/gnus/nndraft.el, lisp/gnus/nnfolder.el, lisp/gnus/nngateway.el:
* lisp/gnus/nnmairix.el, lisp/gnus/nnmbox.el, lisp/gnus/nnmh.el:
* lisp/gnus/nnml.el, lisp/gnus/score-mode.el, lisp/gnus/smiley.el:
No need for cl.

1 files changed, 5 insertions, 5 deletions

diff --git a/lisp/gnus/gnus-salt.el b/lisp/gnus/gnus-salt.el
index a80bb5b7037..aff841760ae 100644
--- a/lisp/gnus/gnus-salt.el
+++ b/lisp/gnus/gnus-salt.el
@@ -24,7 +24,7 @@
 
 ;;; Code:
 
-(eval-when-compile (require 'cl))
+(eval-when-compile (require 'cl-lib))
 
 (require 'gnus)
 (require 'gnus-sum)
@@ -131,7 +131,7 @@ It accepts the same format specs that `gnus-summary-line-format' does."
 (defvar gnus-pick-line-number 1)
 (defun gnus-pick-line-number ()
   "Return the current line number."
-  (incf gnus-pick-line-number))
+  (cl-incf gnus-pick-line-number))
 
 (defun gnus-pick-start-reading (&optional catch-up)
   "Start reading the picked articles.
@@ -552,7 +552,7 @@ Two predefined functions are available:
 	     (not (one-window-p)))
     (let ((windows 0)
 	  tot-win-height)
-      (walk-windows (lambda (_window) (incf windows)))
+      (walk-windows (lambda (_window) (cl-incf windows)))
       (setq tot-win-height
 	    (- (frame-height)
 	       (* window-min-height (1- windows))
@@ -734,7 +734,7 @@ it in the environment specified by BINDINGS."
       (insert (make-string len ? )))))
 
 (defsubst gnus-tree-forward-line (n)
-  (while (>= (decf n) 0)
+  (while (>= (cl-decf n) 0)
     (unless (zerop (forward-line 1))
       (end-of-line)
       (insert "\n")))
@@ -784,7 +784,7 @@ it in the environment specified by BINDINGS."
 	(progn
 	  (goto-char (point-min))
 	  (end-of-line)
-	  (incf gnus-tmp-indent))
+	  (cl-incf gnus-tmp-indent))
       ;; Recurse downwards in all children of this article.
       (while thread
 	(gnus-generate-vertical-tree