corrected CHANGES.txt to show HDFS-2751 fixed in 1.1.0 rather than 1.2.0.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1479463 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -331,9 +331,6 @@ Release 1.2.0 - unreleased
     HADOOP-8606. FileSystem.get may return the wrong filesystem (Daryn Sharp 
     via bobby)
 
-    HDFS-2751. Backport: Datanode may incorrectly drop OS cache behind reads
-    even for short reads.  (Brandon Li via szetszwo)
-
     HADOOP-8613. AbstractDelegationTokenIdentifier#getUser() should set token
     auth type. (daryn)
 
@@ -999,6 +996,9 @@ Release 1.1.0 - 2012.09.28
 
   BUG FIXES
 
+    HDFS-2751. Backport: Datanode may incorrectly drop OS cache behind reads
+    even for short reads.  (Brandon Li via szetszwo)
+
     HDFS-3696. Set chunked streaming mode in WebHdfsFileSystem write operations
     to get around a Java library bug causing OutOfMemoryError.  (szetszwo)