Undo-edit.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23-PB-merge@1293950 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -1,6 +1,6 @@
 Hadoop MapReduce Change Log
 
-Release 0.23.3+PB - UNRELEASED
+Release 0.23.3 - UNRELEASED
 
   INCOMPATIBLE CHANGES