Fix date in CHANGES.txt.  Sigh.
diff --git a/CHANGES.txt b/CHANGES.txt
index eebd57d..11b332e 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,4 @@
-2009-01-08 version 2.3.0:
+2010-01-08 version 2.3.0:
 
   General
   * Parsers for repeated numeric fields now always accept both packed and