Register .tga and .tiff image extensions

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@6775 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavformat/img2.c

@@ -52,6 +52,8 @@ static const IdStrMap img_tags[] = {
     { CODEC_ID_RAWVIDEO  , "y"},
     { CODEC_ID_BMP       , "bmp"},
     { CODEC_ID_GIF       , "gif"},
+    { CODEC_ID_TARGA     , "tga"},
+    { CODEC_ID_TIFF      , "tiff"},
     {0, NULL}
 };