SDL: Added missing include

From bac7eeaaae00b929808ed8efe1a76e45a4e2c54b Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Wed, 20 Sep 2023 14:13:50 -0700
Subject: [PATCH] Added missing include

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

diff --git a/src/audio/SDL_audioresample.c b/src/audio/SDL_audioresample.c
index 3379ca3a8d6b..6e3f40327232 100644
--- a/src/audio/SDL_audioresample.c
+++ b/src/audio/SDL_audioresample.c
@@ -21,6 +21,7 @@
 #include "SDL_internal.h"
 
 #include "SDL_sysaudio.h"
+#include "SDL_audioresample.h"
 
 /* SDL's resampler uses a "bandlimited interpolation" algorithm:
      https://ccrma.stanford.edu/~jos/resample/ */