avformat/vapoursynth: Add missing inclusion of frame.h

Broken in 0c6e5f32.
Also add it to decklink_enc.cpp in order not to rely
on an implicit inclusion via libavfilter/ccfifo.h.
Reviewed-by: あんこ <mailcrystaldiskinfo@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavdevice/decklink_enc.cpp

@@ -33,6 +33,7 @@ extern "C" {
 extern "C" {
 #include "libavformat/avformat.h"
 #include "libavcodec/bytestream.h"
+#include "libavutil/frame.h"
 #include "libavutil/internal.h"
 #include "libavutil/imgutils.h"
 #include "avdevice.h"

libavformat/vapoursynth.c

@@ -31,6 +31,7 @@
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
 #include "libavutil/eval.h"
+#include "libavutil/frame.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/opt.h"
 #include "libavutil/pixdesc.h"