Fix: (minor) Unset a config key only when needed.
Fix: (minor) Unset a config key only when needed.


thorsten/phpMyFAQ,brianjking/phpMyFAQ,brianjking/phpMyFAQ,thorsten/phpMyFAQ,Chris--A/phpMyFAQ,brianjking/phpMyFAQ,rogeriopradoj/phpMyFAQ-vagrant,Chris--A/phpMyFAQ,rogeriopradoj/phpMyFAQ-vagrant,brianjking/phpMyFAQ,rogeriopradoj/phpMyFAQ-vagrant,Chris--A/phpMyFAQ,thorsten/phpMyFAQ,Chris--A/phpMyFAQ,thorsten/phpMyFAQ,rogeriopradoj/phpMyFAQ-vagrant