Add bug reference.

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 33519500d272c9b8c8f74eb5f17db67e52064dd7..426b4417e629cfd66f9a24bd5c858e6566f2ae69 100644 (file)
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,7 +1,7 @@
 2009-02-12  Alan Mackenzie  <acm@muc.de>
 
        * progmodes/cc-defs.el (c-emacs-features): Crash-fix: change `='
-       to `eq'.
+       to `eq'.  (Bug#2304)
 
 2009-02-12  Glenn Morris  <rgm@gnu.org>