HDFS-5821. Merging r1573076 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1573077 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -261,6 +261,9 @@ Release 2.4.0 - UNRELEASED
     HDFS-6033. PBImageXmlWriter incorrectly handles processing cache
     directives. (atm)
 
+    HDFS-5821. TestHDFSCLI fails for user names with the dash character.
+    (Gera Shegalov via Arpit Agarwal)
+
   BREAKDOWN OF HDFS-5698 SUBTASKS AND RELATED JIRAS
 
     HDFS-5717. Save FSImage header in protobuf. (Haohui Mai via jing9)