Fixed a warning when no faq categories are defined.

tbrehm

2010-09-27 7ea431584a636289f73e662aadb16014a7cb951a

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<?php
$wb['head_txt'] = 'Install software package';
$wb['install_key_txt'] = 'Enter install key';
$wb['btn_save_txt'] = 'Start Installation';
$wb['btn_cancel_txt'] = 'Cancel';
?>