SDL: Move render context freeing to the right files

src/platform/sdl/gl-sdl.c

@@ -160,5 +160,5 @@ void GBASDLRunloop(struct GBAThread* context, struct SDLSoftwareRenderer* render
 }
 
 void GBASDLDeinit(struct SDLSoftwareRenderer* renderer) {
-	UNUSED(renderer);
+	free(renderer->d.outputBuffer);
 }

src/platform/sdl/main.c

@@ -143,8 +143,6 @@ static bool _GBASDLInit(struct SDLSoftwareRenderer* renderer) {
 }
 
 static void _GBASDLDeinit(struct SDLSoftwareRenderer* renderer) {
-	free(renderer->d.outputBuffer);
-
 	GBASDLDeinitEvents(&renderer->events);
 	GBASDLDeinitAudio(&renderer->audio);
 #if SDL_VERSION_ATLEAST(2, 0, 0)

src/platform/sdl/sw-sdl.c

@@ -123,7 +123,9 @@ void GBASDLRunloop(struct GBAThread* context, struct SDLSoftwareRenderer* render
 }
 
 void GBASDLDeinit(struct SDLSoftwareRenderer* renderer) {
-	UNUSED(renderer);
+	if (renderer->ratio > 1) {
+		free(renderer->d.outputBuffer);
+	}
 #if !SDL_VERSION_ATLEAST(2, 0, 0)
 	SDL_Surface* surface = SDL_GetVideoSurface();
 	SDL_UnlockSurface(surface);