forgot to update changelog

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1363369 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -75,6 +75,9 @@ Release 0.23.3 - UNRELEASED
     StreamingOutput, otherwise, it will fail to transfer large files.
     (szetszwo)
 
+    HDFS-3646. LeaseRenewer can hold reference to inactive DFSClient
+    instances forever (Kihwal Lee via daryn)
+
 Release 0.23.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES