Fix previous merge (1189501) for HDFS-2501.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1189515 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/web/resources/NamenodeWebHdfsMethods.java

@@ -309,7 +309,7 @@ public class NamenodeWebHdfsMethods {
         final String js = JsonUtil.toJsonString("boolean", b);
         return Response.ok(js).type(MediaType.APPLICATION_JSON).build();
       } else {
-        np.rename(fullpath, dstPath.getValue(),
+        np.rename(fullpath, destination.getValue(),
             s.toArray(new Options.Rename[s.size()]));
         return Response.ok().type(MediaType.APPLICATION_JSON).build();
       }