fix merge error in CHANGES.TXT

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

@@ -1,8 +1,5 @@
 Hadoop HDFS Change Log
 
-    HDFS-8879. Quota by storage type usage incorrectly initialized upon namenode
-    restart. (xyao)
-
 Release 2.7.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES
@@ -35,6 +32,9 @@ Release 2.7.2 - UNRELEASED
 
     HDFS-8891. HDFS concat should keep srcs order. (Yong Zhang via jing9)
 
+    HDFS-8879. Quota by storage type usage incorrectly initialized upon namenode
+    restart. (xyao)
+
 Release 2.7.1 - 2015-07-06
 
   INCOMPATIBLE CHANGES