Fix credit for YARN-1188

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1525519 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -29,7 +29,7 @@ Release 2.3.0 - UNRELEASED
     (Niranjan Singh via Sandy Ryza)
 
     YARN-1188. The context of QueueMetrics becomes default when using
-    FairScheduler (Akira Ajisaka via Sandy Ryza)
+    FairScheduler (Tsuyoshi Ozawa via Sandy Ryza)
 
 Release 2.2.0 - UNRELEASED