[dovecot/core] aeef47: master: Fix compiling with systemd after /dev/null...

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: aeef47104f7f40bd7db8a7a3fb2cea4ba78c0360
      https://github.com/dovecot/core/commit/aeef47104f7f40bd7db8a7a3fb2cea4ba78c0360
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2016-11-16 (Wed, 16 Nov 2016)

  Changed paths:
    M src/master/service-listen.c

  Log Message:
  -----------
  master: Fix compiling with systemd after /dev/null changes