Move HDFS-5360 to 2.2.1 in CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1532935 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -319,9 +319,6 @@ Release 2.3.0 - UNRELEASED
     HDFS-5130. Add test for snapshot related FsShell and DFSAdmin commands.
     (Binglin Chang via jing9)
 
-    HDFS-5360. Improvement of usage message of renameSnapshot and
-    deleteSnapshot. (Shinichi Yamashita via wang)
-
   OPTIMIZATIONS
 
     HDFS-5239.  Allow FSNamesystem lock fairness to be configurable (daryn)
@@ -365,6 +362,9 @@ Release 2.2.1 - UNRELEASED
 
   IMPROVEMENTS
 
+    HDFS-5360. Improvement of usage message of renameSnapshot and
+    deleteSnapshot. (Shinichi Yamashita via wang)
+
   OPTIMIZATIONS
 
   BUG FIXES