FreeBSD/ports e1badd3 (r509271)audio/musicpd distinfo Makefile

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

MFH:            2019Q3 (hat: ports-secteam)
DeltaFile
+3-3audio/musicpd/distinfo
+1-2audio/musicpd/Makefile
+4-52 files

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