HADOOP-8703: Fix formatting issue.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1373599 13f79535-47bb-0310-9956-ffa450edef68

hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/RetriableFileCopyCommand.java

@@ -92,8 +92,9 @@ public class RetriableFileCopyCommand extends RetriableCommand {
 
       compareFileLengths(sourceFileStatus, tmpTargetPath, configuration, bytesRead);
       //At this point, src&dest lengths are same. if length==0, we skip checksum
-      if (bytesRead != 0) 
-          compareCheckSums(sourceFS, sourceFileStatus.getPath(), targetFS, tmpTargetPath);
+      if (bytesRead != 0) { 
+        compareCheckSums(sourceFS, sourceFileStatus.getPath(), targetFS, tmpTargetPath);
+      }
       promoteTmpToTarget(tmpTargetPath, target, targetFS);
       return bytesRead;