avcodec/vdpau: try to fix version macro use

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/vdpau.h

@@ -53,13 +53,7 @@
 #include <vdpau/vdpau_x11.h>
 #include "libavutil/avconfig.h"
 #include "libavutil/attributes.h"
-
-#ifndef FF_API_CAP_VDPAU
-#define FF_API_CAP_VDPAU 1
-#endif
-#ifndef FF_API_BUFS_VDPAU
-#define FF_API_BUFS_VDPAU 1
-#endif
+#include "version.h"
 
 #if FF_API_BUFS_VDPAU
 union AVVDPAUPictureInfo {