In CHANGES.txt, move HDFS-4908 to 2.1.0-beta.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1502010 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -20,8 +20,6 @@ Release 2.2.0 - UNRELEASED
 
   IMPROVEMENTS
 
-    HDFS-4908. Reduce snapshot inode memory usage.  (szetszwo)
-
   OPTIMIZATIONS
 
   BUG FIXES
@@ -206,6 +204,8 @@ Release 2.1.0-beta - 2013-07-02
     HDFS-4932. Avoid a wide line on the name node webUI if we have more Journal
     nodes. (Fengdong Yu via cnauroth)
 
+    HDFS-4908. Reduce snapshot inode memory usage.  (szetszwo)
+
     HDFS-4645. Move from randomly generated block ID to sequentially generated
     block ID.  (Arpit Agarwal via szetszwo)