fix up CHANGES.txt

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

@@ -1382,9 +1382,6 @@ Release 2.8.0 - UNRELEASED
     HDFS-9362. TestAuditLogger#testAuditLoggerWithCallContext assumes Unix line
     endings, fails on Windows. (cnauroth)
 
-    HDFS-9289. Make DataStreamer#block thread safe and verify genStamp in
-    commitBlock. (Chang Li via zhz)
-
     HDFS-9351. checkNNStartup() need to be called when fsck calls
     FSNamesystem.getSnapshottableDirs(). (Xiao Chen via Yongjun Zhang)
 
@@ -1403,6 +1400,9 @@ Release 2.7.3 - UNRELEASED
 
   BUG FIXES
 
+    HDFS-9289. Make DataStreamer#block thread safe and verify genStamp in
+    commitBlock. (Chang Li via zhz)
+
 Release 2.7.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES