[gtkmm] Correct the ChangeLog

[Murray Cumming <murrayc src gnome org>]

commit 88ae977fa6c7dd3c8989a532369a7e151616ba3d
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Feb 27 09:48:12 2012 +0100

    Correct the ChangeLog

 ChangeLog |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 012e594..1668e77 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,6 @@
 2012-02-27  Murray Cumming  <murrayc murrayc com>
 
-	EntryBuffer: Correct the EntryBufffer(name) constructor.
+	EntryBuffer: Correct the EntryBuffer(name) constructor.
 
 	* gtk/src/entrybuffer.ccg: This was missing a _CONSTRUCT() call.
 	Bug #670784 (Marcus Yass)