HADOOP-3827. Added missing attribution.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/trunk@680823 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -959,7 +959,7 @@ Release 0.18.0 - Unreleased
     HADOOP-3724. Fixes two problems related to storing and recovering lease
     in the fsimage. (dhruba)
     
-    HADOOP-3827.  Fixed compression of empty map-outputs. 
+    HADOOP-3827.  Fixed compression of empty map-outputs. (acmurthy) 
 
 Release 0.17.2 - Unreleased