Tiny package.el fix.

* lisp/emacs-lisp/package.el (package-menu-mode): `revert-buffer-function'
is not automatically buffer-local.

lisp/ChangeLog

+2010-09-22  Glenn Morris  <rgm@gnu.org>
+
+	* emacs-lisp/package.el (package-menu-mode): `revert-buffer-function'
+	is not automatically buffer-local.
+
 2010-09-21  Stefan Monnier  <monnier@iro.umontreal.ca>
 	* emacs-lisp/smie.el (smie-debug--describe-cycle): Fix typo.

lisp/emacs-lisp/package.el

@@ -1273,7 +1273,7 @@ Letters do not insert themselves; instead, they are commands.
   (setq mode-name "Package Menu")
   (setq truncate-lines t)
   (setq buffer-read-only t)
-  (setq revert-buffer-function 'package-menu-revert)
+  (set (make-local-variable 'revert-buffer-function) 'package-menu-revert)
   (setq header-line-format
 	(mapconcat
 	 (lambda (pair)