OpenBSD (and maybe other *BSDs) support (2)

[GitHub pull_request - opened <github@xxxxxxxxxxxxxxxx>]

alsa-project/alsa-utils pull request #193 was opened from jg1uaa:

#186 addendum.
forget to fix alsactl/lock.c, this is the fix.

Request URL   : https://github.com/alsa-project/alsa-utils/pull/193
Patch URL     : https://github.com/alsa-project/alsa-utils/pull/193.patch
Repository URL: https://github.com/alsa-project/alsa-utils