Close bug#6336.

* lisp/desktop.el (desktop-clear-preserve-buffers): Add "*Warnings*" buffer.

lisp/ChangeLog

+2010-06-03  Glenn Morris  <rgm@gnu.org>
+
+	* desktop.el (desktop-clear-preserve-buffers):
+	Add "*Warnings*" buffer.  (Bug#6336)
+
 2010-06-02  Dan Nicolaescu  <dann@ics.uci.edu>
 
 	* vc-dir.el (vc-dir-update): Remove entries with a nil state (bug#5539).

lisp/desktop.el

@@ -303,10 +303,12 @@ to the value obtained by evaluating FORM."
   :version "22.1")
 
 (defcustom desktop-clear-preserve-buffers
-  '("\\*scratch\\*" "\\*Messages\\*" "\\*server\\*" "\\*tramp/.+\\*")
+  '("\\*scratch\\*" "\\*Messages\\*" "\\*server\\*" "\\*tramp/.+\\*"
+    "\\*Warnings\\*")
   "List of buffers that `desktop-clear' should not delete.
 Each element is a regular expression.  Buffers with a name matched by any of
 these won't be deleted."
+  :version "23.3"                       ; added Warnings - bug#6336
   :type '(repeat string)
   :group 'desktop)