Make AVCodec long_names definition conditional depending on CONFIG_SMALL.

Originally committed as revision 13759 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/jpeglsenc.c

@@ -390,5 +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, PIX_FMT_NONE},
-    .long_name= "JPEG-LS",
+    .long_name= NULL_IF_CONFIG_SMALL("JPEG-LS"),
 };