SDL: fix audio conversion from S16 to F32 using SSE2

SDL Commits
1 
From 61821bd87601b3aaed7d378326bc51643cf617e5 Mon Sep 17 00:00:00 2001
From: pionere <[EMAIL REDACTED]>
Date: Mon, 22 Jan 2024 16:00:47 +0100
Subject: [PATCH] fix audio conversion from S16 to F32 using SSE2

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

diff --git a/src/audio/SDL_audiotypecvt.c b/src/audio/SDL_audiotypecvt.c
index c4f30e687e84..53c8ffe69a4e 100644
--- a/src/audio/SDL_audiotypecvt.c
+++ b/src/audio/SDL_audiotypecvt.c
@@ -427,7 +427,7 @@ static void SDLCALL SDL_Convert_U8_to_F32_SSE2(SDL_AudioCVT *cvt, SDL_AudioForma
 
 static void SDLCALL SDL_Convert_S16_to_F32_SSE2(SDL_AudioCVT *cvt, SDL_AudioFormat format)
 {
-    const Sint8 *src = (const Sint8 *)cvt->buf;
+    const Sint16 *src = (const Sint16 *)cvt->buf;
     float *dst = (float *)cvt->buf;
     int i = cvt->len_cvt / 2;