MAPREDUCE-2573. Fix new findbugs warning introduced by MAPREDUCE-2494. Contributed by Robert Joseph Evans.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/mapreduce/trunk@1134121 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/CHANGES.txt b/CHANGES.txt
index 6432d13..2bf1242 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -280,6 +280,9 @@
 
     MAPREDUCE-2559. ant binary fails due to missing c++ lib dir. (eli)
 
+    MAPREDUCE-2573. Fix new findbugs warning introduced by MAPREDUCE-2494.
+    (Robert Joseph Evans via todd)
+
 Release 0.22.0 - Unreleased
 
   INCOMPATIBLE CHANGES
diff --git a/src/java/org/apache/hadoop/mapreduce/filecache/TrackerDistributedCacheManager.java b/src/java/org/apache/hadoop/mapreduce/filecache/TrackerDistributedCacheManager.java
index 6a4d403..d016c5f 100644
--- a/src/java/org/apache/hadoop/mapreduce/filecache/TrackerDistributedCacheManager.java
+++ b/src/java/org/apache/hadoop/mapreduce/filecache/TrackerDistributedCacheManager.java
@@ -736,7 +736,7 @@
     }
   }
 
-  private class CacheDir {
+  private static class CacheDir {
     long size;
     long subdirs;
   }