AVCodec : Add the MPEG1 codec ID to the map table.

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
(cherry picked from commit 95c6e2f347e00a66ea53f39ee575e6e4163d5bbe)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/codec/avcodec/fourcc.c

@@ -53,6 +53,7 @@ static const struct
      */
 
     { VLC_CODEC_MPGV, CODEC_ID_MPEG2VIDEO, VIDEO_ES },
+    { VLC_CODEC_MPGV, CODEC_ID_MPEG1VIDEO, VIDEO_ES },
 
     { VLC_CODEC_MP4V, CODEC_ID_MPEG4, VIDEO_ES },
     /* 3ivx delta 3.5 Unsupported