avformat/rso: Deduplicate codec tags list

Also saves a relocation.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

libavformat/rsoenc.c

@@ -100,6 +100,6 @@ AVOutputFormat ff_rso_muxer = {
     .write_header   =   rso_write_header,
     .write_packet   =   ff_raw_write_packet,
     .write_trailer  =   rso_write_trailer,
-    .codec_tag      =   (const AVCodecTag* const []){ff_codec_rso_tags, 0},
+    .codec_tag      =   ff_rso_codec_tags_list,
     .flags          =   AVFMT_NOTIMESTAMPS,
 };