From a43da238923caa8fb13f1ad582b01fbd7901e072 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Fri, 2 Dec 2016 02:28:34 -0800
Subject: [PATCH] Fixed warning about reserved macros with a leading underscore

---
 SDL_mixer.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/SDL_mixer.h b/SDL_mixer.h
index 866dc1b6..12d2575d 100644
--- a/SDL_mixer.h
+++ b/SDL_mixer.h
@@ -21,8 +21,8 @@
 
 /* $Id$ */
 
-#ifndef _SDL_MIXER_H
-#define _SDL_MIXER_H
+#ifndef SDL_MIXER_H_
+#define SDL_MIXER_H_
 
 #include "SDL_stdinc.h"
 #include "SDL_rwops.h"
@@ -631,4 +631,4 @@ extern DECLSPEC void SDLCALL Mix_CloseAudio(void);
 #endif
 #include "close_code.h"
 
-#endif /* _SDL_MIXER_H */
+#endif /* SDL_MIXER_H_ */