asv1.c directly uses Put/GetBitContext, so it should include bitstream.h

Originally committed as revision 10169 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/asv1.c

@@ -25,6 +25,7 @@
  */
 
 #include "avcodec.h"
+#include "bitstream.h"
 #include "dsputil.h"
 #include "mpegvideo.h"