Add Pictor/PC Paint to image2 muxer/demuxer

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@23533 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavformat/img2.c

@@ -73,6 +73,7 @@ static const IdStrMap img_tags[] = {
     { CODEC_ID_SUNRAST   , "sunras"},
     { CODEC_ID_JPEG2000  , "jp2"},
     { CODEC_ID_DPX       , "dpx"},
+    { CODEC_ID_PICTOR    , "pic"},
     { CODEC_ID_NONE      , NULL}
 };