Fix cpplint whitespace/comments issues

Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
diff --git a/compiler/llvm/intrinsic_helper.cc b/compiler/llvm/intrinsic_helper.cc
index a34cb33..e5e7998 100644
--- a/compiler/llvm/intrinsic_helper.cc
+++ b/compiler/llvm/intrinsic_helper.cc
@@ -174,5 +174,5 @@
   return;
 }
 
-} // namespace llvm
-} // namespace art
+}  // namespace llvm
+}  // namespace art