Canopus Lossless decoder

At the moment it only does BGR24, but I plan to add the rest after.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

libavformat/riff.c

@@ -315,6 +315,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
     { CODEC_ID_MSA1,         MKTAG('M', 'S', 'A', '1') },
     { CODEC_ID_TSCC2,        MKTAG('T', 'S', 'C', '2') },
     { CODEC_ID_MTS2,         MKTAG('M', 'T', 'S', '2') },
+    { CODEC_ID_CLLC,         MKTAG('C', 'L', 'L', 'C') },
     { CODEC_ID_NONE,         0 }
 };