SDL: Fixed warning: no previous prototype for function 'SDL_UpdateAudio'

SDL Commits
1 
From 124a0050b6e9aeed7f44723577064f7550030ef3 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Tue, 24 Oct 2023 14:22:41 -0700
Subject: [PATCH] Fixed warning: no previous prototype for function
 'SDL_UpdateAudio'

---
 src/audio/SDL_audio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/audio/SDL_audio.c b/src/audio/SDL_audio.c
index 5afe415edb89..47d4878436e7 100644
--- a/src/audio/SDL_audio.c
+++ b/src/audio/SDL_audio.c
@@ -20,6 +20,7 @@
 */
 #include "SDL_internal.h"
 
+#include "SDL_audio_c.h"
 #include "SDL_sysaudio.h"
 #include "../thread/SDL_systhread.h"
 #include "../SDL_utils_c.h"