V4L/DVB (10908): videobuf-core: also needs a minimal subset of V4L1 header

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

include/media/videobuf-core.h

@@ -18,6 +18,7 @@
 
 #include <linux/poll.h>
 #ifdef CONFIG_VIDEO_V4L1_COMPAT
+#define __MIN_V4L1
 #include <linux/videodev.h>
 #endif
 #include <linux/videodev2.h>