Add long names to AVCodec declarations.

patch by Stefano Sabatini, stefano.sabatini-lala poste it

Originally committed as revision 13009 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/jpeglsenc.c

@@ -390,4 +390,5 @@ AVCodec jpegls_encoder = { //FIXME avoid MPV_* lossless JPEG should not need the
     encode_picture_ls,
     NULL,
     .pix_fmts= (enum PixelFormat[]){PIX_FMT_BGR24, PIX_FMT_RGB24, PIX_FMT_GRAY8, PIX_FMT_GRAY16, -1},
+    .long_name= "JPEG-LS",
 };