Fix cpplint whitespace/comments issues

Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
diff --git a/runtime/oat_test.cc b/runtime/oat_test.cc
index 3f2e43e..ebb228e 100644
--- a/runtime/oat_test.cc
+++ b/runtime/oat_test.cc
@@ -160,7 +160,7 @@
     char* magic = const_cast<char*>(oat_header.GetMagic());
     strcpy(magic, "");  // bad magic
     ASSERT_FALSE(oat_header.IsValid());
-    strcpy(magic, "oat\n000"); // bad version
+    strcpy(magic, "oat\n000");  // bad version
     ASSERT_FALSE(oat_header.IsValid());
 }