update_engine: fixed warnings from cpplint

Fixed all the cpplint warnings in update engine.

BUG=None
TEST=Unit tests still pass.

Change-Id: I285ae858eec8abe0b26ff203b99a42a200ceb71c
Reviewed-on: https://chromium-review.googlesource.com/204027
Reviewed-by: Alex Vakulenko <avakulenko@chromium.org>
Tested-by: Alex Vakulenko <avakulenko@chromium.org>
Commit-Queue: Alex Vakulenko <avakulenko@chromium.org>
diff --git a/bzip_extent_writer.cc b/bzip_extent_writer.cc
index b4f864f..008e64a 100644
--- a/bzip_extent_writer.cc
+++ b/bzip_extent_writer.cc
@@ -17,9 +17,9 @@
                             uint32_t block_size) {
   // Init bzip2 stream
   int rc = BZ2_bzDecompressInit(&stream_,
-                                0,  // verbosity. (0 == silent)
-                                0  // 0 = faster algo, more memory
-                                );
+                                0,   // verbosity. (0 == silent)
+                                0);  // 0 = faster algo, more memory
+
   TEST_AND_RETURN_FALSE(rc == BZ_OK);
 
   return next_->Init(fd, extents, block_size);