recognize the CLJR FourCC (Cirrus Logic AccuPak)

Originally committed as revision 12391 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/riff.c

@@ -176,6 +176,7 @@ const AVCodecTag codec_bmp_tags[] = {
     { CODEC_ID_JPEG2000, MKTAG('M', 'J', '2', 'C') },
     { CODEC_ID_VMNC, MKTAG('V', 'M', 'n', 'c') },
     { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') },
+    { CODEC_ID_CLJR, MKTAG('c', 'l', 'j', 'r') },
     { CODEC_ID_NONE, 0 },
 };