Improve code style.

Change-Id: I26e043849bce2a4b41ae132fbe0c882f4a6f112f
diff --git a/slang_rs_reflect_utils.h b/slang_rs_reflect_utils.h
index 34b66cd..dabc16a 100644
--- a/slang_rs_reflect_utils.h
+++ b/slang_rs_reflect_utils.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef _SLANG_COMPILER_SLANG_REFLECT_UTILS_H
-#define _SLANG_COMPILER_SLANG_REFLECT_UTILS_H
+#ifndef _FRAMEWORKS_COMPILE_SLANG_SLANG_REFLECT_UTILS_H_  // NOLINT
+#define _FRAMEWORKS_COMPILE_SLANG_SLANG_REFLECT_UTILS_H_
 
 #include <string>
 
@@ -80,4 +80,4 @@
 };
 }
 
-#endif  // _SLANG_COMPILER_SLANG_REFLECT_UTILS_H
+#endif  // _FRAMEWORKS_COMPILE_SLANG_SLANG_REFLECT_UTILS_H_  NOLINT