Update logfile.php
Update logfile.php

Prevent error on missing log

Woersty/LoxBerry-Plugin-miniserverbackup,Woersty/LoxBerry-Plugin-miniserverbackup,Woersty/LoxBerry-Plugin-miniserverbackup,Woersty/LoxBerry-Plugin-miniserverbackup,Woersty/LoxBerry-Plugin-miniserverbackup