[Midnightbsd-cvs] [MidnightBSD/src] b1b8a7: use sysrc instead of making potential duplicates

[Lucas Holt]

  Branch: refs/heads/stable/2.0
  Home:   https://github.com/MidnightBSD/src
  Commit: b1b8a704beebd6c4216a425feb48e0d80c59a699
      https://github.com/MidnightBSD/src/commit/b1b8a704beebd6c4216a425feb48e0d80c59a699
  Author: Lucas Holt <luke at foolishgames.com>
  Date:   2021-02-24 (Wed, 24 Feb 2021)

  Changed paths:
    M etc/rc.d/firstboot

  Log Message:
  -----------
  use sysrc instead of making potential duplicates