wg-installer: fix get_usage function

The get_usage function always returns 0. The shell syntax was wrong.

Signed-off-by: Nick Hainke <vincent@systemli.org>
This commit is contained in:
Nick Hainke 2021-03-13 20:16:45 +01:00 committed by Polynomdivision
parent c8f577ca4a
commit f7cb8b20e1