Add bug ref.

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 858543834e2166e9ab86fc6eee2a0274b07de664..d03ca93908815f990dfdfb193bbb2f38739eef0a 100644 (file)
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -11,7 +11,7 @@
        * progmodes/cc-mode.el (c-before-hack-hook)
        (c-postprocess-file-styles): Revert change 2009-07-18T21:03:43Z!acm@muc.de to permit
        `c-file-style' to work again.  This reversion restores the current
-       software to its state in Emacs 23.1.
+       software to its state in Emacs 23.1.  (Bug#4146)
 
 2009-12-05  Kevin Ryde  <user42@zip.com.au>