Fix cpplint whitespace/comments issues

Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
diff --git a/runtime/zip_archive.cc b/runtime/zip_archive.cc
index 9cf7a09..2a48dc6 100644
--- a/runtime/zip_archive.cc
+++ b/runtime/zip_archive.cc
@@ -228,7 +228,7 @@
     }
   } while (zerr == Z_OK);
 
-  DCHECK_EQ(zerr, Z_STREAM_END); // other errors should've been caught
+  DCHECK_EQ(zerr, Z_STREAM_END);  // other errors should've been caught
 
   // paranoia
   if (zstream->Get().total_out != uncompressed_length) {