x11/sxhkd: Update to 0.5.8

[ultima]

Summary

• Updated 0.5.8
• Added missing depend
• Sorted Uses section for portlint

Changelog: https://github.com/baskerville/sxhkd/compare/0.5.7...0.5.8

PR\: 220789
Sumitted by\: Oleh Hushchenkov <[e-mail]> (maintainer)
Reviewed by\: lifanov (mentor), matthew (mentor)
Approved by\: lifanov (mentor), matthew (mentor)
Differential Revision\: https://reviews.freebsd.org/DXXXXX

Test Plan

portlint:
WARN: Makefile: for new port, make $FreeBSD$ tag in comment section empty, to make SVN happy.
0 fatal errors and 1 warning found.

poudriere:
103i386
103amd64
110i386
110amd64
12i386
12amd64

[ultima]

The Makefile was throwing a Invalid content encoding (non-UTF-8)

[ultima]

Created and attached diff through website.

[mat]

x11/sxhkd/Makefile

18

Why the += ?

[ultima]

Removed append flag

[matthew]