Move HDFS-3405 to 2.4.0 section in CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1576158 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -122,9 +122,6 @@ Trunk (Unreleased)
 
     HDFS-5138. Support HDFS upgrade in HA. (atm via todd)
 
-    HDFS-3405. Checkpointing should use HTTP POST or PUT instead of GET-GET
-    to send merged fsimages. (Vinayakumar B via wang)
-
   OPTIMIZATIONS
 
   BUG FIXES
@@ -399,6 +396,9 @@ Release 2.4.0 - UNRELEASED
     HDFS-6055. Change default configuration to limit file name length in HDFS.
     (cnauroth)
 
+    HDFS-3405. Checkpointing should use HTTP POST or PUT instead of GET-GET
+    to send merged fsimages. (Vinayakumar B via wang)
+
   OPTIMIZATIONS
 
     HDFS-5790. LeaseManager.findPath is very slow when many leases need recovery