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svn:author
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riggs
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svn:date
V 27
2020-03-11T20:34:49.324672Z
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svn:log
V 282
MFH: r528243

Update to upstream version 44.0.0

Details:
- Mostly bugfixes, see
  https://mkvtoolnix.download/doc/NEWS.md
  but also a helpful new feature:
- MKVToolNix GUI: header editor: the attachments can now
  be reordered via drag & drop.

Approved by:	ports-secteam (riggs)

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