audio: Patched to compile on Visual Studio. (It gets upset at the -2147483648, thinking this should be an unsigned value because 2147483648 is too large for an int32, so the negative sign upsets the compiler.)
diff --git a/src/audio/SDL_audiotypecvt.c b/src/audio/SDL_audiotypecvt.c
index 29cc24d..38dc5ef 100644
--- a/src/audio/SDL_audiotypecvt.c
+++ b/src/audio/SDL_audiotypecvt.c
@@ -279,7 +279,7 @@ SDL_Convert_F32_to_S32_Scalar(SDL_AudioCVT *cvt, SDL_AudioFormat format)
if (sample >= 1.0f) {
*dst = 2147483647;
} else if (sample <= -1.0f) {
- *dst = -2147483648;
+ *dst = (Sint32) -2147483648LL;
} else {
*dst = ((Sint32)(sample * 8388607.0f)) << 8;
}