Correcting the jira number back to HDFS-3834 from HDFS-3844. I should pay better attention.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1377008 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -200,7 +200,7 @@ Trunk (unreleased changes)
     HDFS-3827. TestHASafeMode#assertSafemode method should be made static.
     (Jing Zhao via suresh)
 
-    HDFS-3844. Remove unused static fields NAME, DESCRIPTION and Usage from
+    HDFS-3834. Remove unused static fields NAME, DESCRIPTION and Usage from
     Command. (Jing Zhao via suresh)
 
 Branch-2 ( Unreleased changes )