Whitespace fixes to the CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.16@628505 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -5,10 +5,10 @@ Release 0.16.1 - Unrelease
   BUG FIXES
 
     HADOOP-2789. Race condition in IPC Server Responder that could close
-                 connections early. (Raghu Angadi)
+    connections early. (Raghu Angadi)
     
     HADOOP-2785. minor. Fix a typo in Datanode block verification 
-                 (Raghu Angadi)
+    (Raghu Angadi)
     
     HADOOP-2788. minor. Fix help message for chgrp shell command (Raghu Angadi).
     
@@ -22,8 +22,8 @@ Release 0.16.1 - Unrelease
     HADOOP-2780. The default socket buffer size for DataNodes is 128K.
     (dhruba)
 
-		HADOOP-2716. Superuser privileges for the Balancer.
-		(Tsz Wo (Nicholas), SZE via shv)
+    HADOOP-2716. Superuser privileges for the Balancer.
+    (Tsz Wo (Nicholas), SZE via shv)
 
     HADOOP-2754. Filter out .crc files from local file system listing.
     (Hairong Kuang via cdouglas)