[Issue #2383] `title_fqdn` option does not work under OpenBSD

[suparious]

Migrated from Original Issue

Original Issue: dylanaraps#2383
Author: @rtgill82

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Original Description

Description

OpenBSD's hostname command does not support the -f flag and returns the FQDN by default. In order to retrieve the short hostname under OpenBSD, hostname -s is run.

Neofetch version

Neofetch 7.1.0

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This issue was automatically migrated from the archived dylanaraps/neofetch repository.