Fixed Windows build
diff --git a/src/video/SDL_surface.c b/src/video/SDL_surface.c
index 563ccc3..19e1ab7 100644
--- a/src/video/SDL_surface.c
+++ b/src/video/SDL_surface.c
@@ -988,7 +988,7 @@ SDL_ConvertSurface(SDL_Surface * surface, const SDL_PixelFormat * format,
tmp2 = SDL_ConvertSurface(tmp, format, 0);
/* Get the converted colorkey */
- memcpy(&converted_colorkey, tmp2->pixels, tmp2->format->BytesPerPixel);
+ SDL_memcpy(&converted_colorkey, tmp2->pixels, tmp2->format->BytesPerPixel);
SDL_FreeSurface(tmp);
SDL_FreeSurface(tmp2);