Fix cpplint whitespace/comments issues

Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
diff --git a/compiler/llvm/runtime_support_builder.h b/compiler/llvm/runtime_support_builder.h
index c3c0856..e92ac0a 100644
--- a/compiler/llvm/runtime_support_builder.h
+++ b/compiler/llvm/runtime_support_builder.h
@@ -92,7 +92,7 @@
 };
 
 
-} // namespace llvm
-} // namespace art
+}  // namespace llvm
+}  // namespace art
 
 #endif  // ART_COMPILER_LLVM_RUNTIME_SUPPORT_BUILDER_H_