SDL: SDL_wave: use SDL_free

SDL Commits
1 
From 2004aaf3bbbcd54f9b188d0421e253dcde6211bc Mon Sep 17 00:00:00 2001
From: Sylvain <[EMAIL REDACTED]>
Date: Mon, 22 Nov 2021 16:54:17 +0100
Subject: [PATCH] SDL_wave: use SDL_free

---
 src/audio/SDL_wave.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/audio/SDL_wave.c b/src/audio/SDL_wave.c
index bf9fb542bfa..49c8e862bb7 100644
--- a/src/audio/SDL_wave.c
+++ b/src/audio/SDL_wave.c
@@ -313,7 +313,7 @@ WaveDebugDumpFormat(WaveFile *file, Uint32 rifflen, Uint32 fmtlen, Uint32 datale
 
     SDL_LogDebug(SDL_LOG_CATEGORY_AUDIO, "%s", dumpstr);
 
-    free(dumpstr);
+    SDL_free(dumpstr);
 }
 #endif