render/SDL_yuv_sw.c: fix build after commit d234f7a
diff --git a/src/render/SDL_yuv_sw.c b/src/render/SDL_yuv_sw.c
index 321ac2e..3f57f37 100644
--- a/src/render/SDL_yuv_sw.c
+++ b/src/render/SDL_yuv_sw.c
@@ -25,6 +25,7 @@
#if SDL_HAVE_YUV
#include "SDL_yuv_sw_c.h"
+#include "../video/SDL_yuv_c.h"
#include "SDL_cpuinfo.h"
SDL_SW_YUVTexture *