HADOOP-10439. Fix compilation error in branch-2 after HADOOP-10426. Contributed by Haohui Mai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1581721 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -22,6 +22,8 @@ Release 2.5.0 - UNRELEASED
     removes unused FileContext.getFileStatus(..) and fixes various javac
     warnings.  (szetszwo)
 
+    HADOOP-10439. Fix compilation error in branch-2 after HADOOP-10426. (wheat9)
+
 Release 2.4.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/Display.java

@@ -18,6 +18,7 @@
 package org.apache.hadoop.fs.shell;
 
 import java.io.ByteArrayOutputStream;
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.LinkedList;