MFH: r509271
Update to upstream release 0.21.13
Details:
- Bugfix release, see https://raw.githubusercontent.com/MusicPlayerDaemon/MPD/v0.21.13/NEWS
- Includes a fix for spurious crackling sound with the MAD plugin
While on it:
- Merge UCL / pkg-message cleanup into quarterly branch
Approved by: ports-secteam (riggs)