Pullup ticket #5772 - requested by leot
audio/mpg321: bugfix

Revisions pulled up:
- audio/mpg321/Makefile                                        1.20
- audio/mpg321/distinfo                                        1.9
- audio/mpg321/patches/patch-mpg321.c                          1.2

---
  Module Name: pkgsrc
  Committed By: leot
  Date: Sat Jun 16 14:43:21 UTC 2018

  Modified Files:
  pkgsrc/audio/mpg321: Makefile distinfo
  pkgsrc/audio/mpg321/patches: patch-mpg321.c

  Log Message:
  mpg321: Do not unlock unititialized main_lock

  Bump PKGREVISION

  Problem spotted by <maya>, fixes PR pkg/53369 by <sevan>.

(bsiegert)