SDL_mixer: removed a dos line ending from mixer.h

From 2d1d969292861558ad3baba15a6ef869d875ec5b Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Tue, 21 Dec 2021 02:15:00 +0300
Subject: [PATCH] removed a dos line ending from mixer.h

---
 src/mixer.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mixer.h b/src/mixer.h
index 18ab88da..e7aa2b3e 100644
--- a/src/mixer.h
+++ b/src/mixer.h
@@ -18,7 +18,7 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
-#ifndef MIXER_H_
+#ifndef MIXER_H_
 #define MIXER_H_
 
 /* Locking wrapper functions */