cosmetics: format long_name spelling fixes

Originally committed as revision 17183 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/mpjpeg.c

@@ -55,7 +55,7 @@ static int mpjpeg_write_trailer(AVFormatContext *s)
 
 AVOutputFormat mpjpeg_muxer = {
     "mpjpeg",
-    NULL_IF_CONFIG_SMALL("Mime multipart JPEG format"),
+    NULL_IF_CONFIG_SMALL("MIME multipart JPEG format"),
     "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
     "mjpg",
     0,

libavformat/rl2.c

@@ -289,7 +289,7 @@ static int rl2_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
 
 AVInputFormat rl2_demuxer = {
     "rl2",
-    NULL_IF_CONFIG_SMALL("rl2 format"),
+    NULL_IF_CONFIG_SMALL("RL2 format"),
     sizeof(Rl2DemuxContext),
     rl2_probe,
     rl2_read_header,