From: Antonio Ospite <ao2@ao2.it>
Date: Sat, 24 Nov 2018 18:16:44 +0000 (+0100)
Subject: Make the shell scripts more standard compliant
X-Git-Url: https://git.ao2.it/v4l2-persistent-settings.git/commitdiff_plain/bdfefe139bfc2fdd26e753f3245f285129dbc580?hp=bdfefe139bfc2fdd26e753f3245f285129dbc580

Make the shell scripts more standard compliant

Remove the bashism "source" and add a check before including the default
config file, because POSIX compliant shells would abort when a dot
script is not found.
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