Move the CHANGES.txt entry for HDFS-4305 to the incompatible changes section.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1477489 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -4,6 +4,9 @@ Release 2.0.5-beta - UNRELEASED
 
   INCOMPATIBLE CHANGES
 
+    HDFS-4305. Add a configurable limit on number of blocks per file, and min
+    block size. (Andrew Wang via atm)
+
   NEW FEATURES
 
     HDFS-1804. Add a new block-volume device choosing policy that looks at
@@ -219,9 +222,6 @@ Release 2.0.5-beta - UNRELEASED
     HDFS-4748. MiniJournalCluster#restartJournalNode leaks resources, which 
     causes sporadic test failures. (Chris Nauroth via suresh)
 
-    HDFS-4305. Add a configurable limit on number of blocks per file, and min
-    block size. (Andrew Wang via atm)
-
 Release 2.0.4-alpha - UNRELEASED
 
   INCOMPATIBLE CHANGES