proposed-migration for moc 1:2.6.0~svn-r3005-3build2

moc 1:2.6.0~svn-r3005-3build2 is stuck in -proposed.

The build is failing on all arches:

ffmpeg.c:765:41: error: ‘AV_CODEC_CAP_TRUNCATED’ undeclared (first use in this function); did you mean ‘AV_CODEC_FLAG_TRUNCATED’?
  765 | if (data->codec->capabilities & AV_CODEC_CAP_TRUNCATED)
      | ^~~~~~~~~~~~~~~~~~~~~~
      | AV_CODEC_FLAG_TRUNCATED
ffmpeg.c:765:41: note: each undeclared identifier is reported only once for each function it appears in
ffmpeg.c:67:34: error: ‘CODEC_FLAG_TRUNCATED’ undeclared (first use in this function); did you mean ‘AV_CODEC_FLAG_TRUNCATED’?
   67 | # define AV_CODEC_FLAG_TRUNCATED CODEC_FLAG_TRUNCATED
      | ^~~~~~~~~~~~~~~~~~~~
ffmpeg.c:766:37: note: in expansion of macro ‘AV_CODEC_FLAG_TRUNCATED’
  766 | data->enc->flags |= AV_CODEC_FLAG_TRUNCATED;
      | ^~~~~~~~~~~~~~~~~~~~~~~

Full build log on amd64: https://launchpadlibrarian.net/683921969/buildlog_ubuntu-mantic-amd64.moc_1%3A2.6.0~svn-r3005-3build2_BUILDING.txt.gz