Merge commit '67c884eb07c7e9f2cb72bb8d447d945e5ac8cac7'

* commit '67c884eb07c7e9f2cb72bb8d447d945e5ac8cac7':
  libvpx: Add the library header

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

libavcodec/libvpx.h

@@ -21,6 +21,8 @@
 #ifndef AVCODEC_LIBVPX_H
 #define AVCODEC_LIBVPX_H
 
+#include <vpx/vpx_codec.h>
+
 #include "avcodec.h"
 
 void ff_vp9_init_static(AVCodec *codec);