Style changes

Change-Id: I883b36420471a20615dbb1e7e10421884fa0b690

Author: jerryshao

core/src/main/java/org/apache/spark/shuffle/sort/BypassMergeSortShuffleWriter.java

@@ -190,7 +190,7 @@ private long[] writePartitionedFile(File outputFile) throws IOException {
     }
 
     final FileChannel out = FileChannel.open(outputFile.toPath(),
-    ImmutableSet.of(WRITE, APPEND, CREATE));
+      ImmutableSet.of(WRITE, APPEND, CREATE));
     final long writeStartTime = System.nanoTime();
     boolean threwException = true;
     try {
@@ -200,7 +200,7 @@ private long[] writePartitionedFile(File outputFile) throws IOException {
           final FileChannel in = FileChannel.open(file.toPath(), ImmutableSet.of(READ));
           boolean copyThrewException = true;
           try {
-            final long size = in.size();
+            long size = in.size();
             Utils.copyFileStreamNIO(in, out, 0, size);
             lengths[i] = size;
             copyThrewException = false;