PunBB 1.3 hotfix for XSS exploit in moderate forum.

hotfix_13_moderate_xss PunBB 1.3 hotfix for XSS exploit in moderate forum. 1.0 XSS vulnerability via topic subjects in moderate.php is fixed. Patch by PHPLizardo. PunBB Development Team 1.3 1.3 '.sprintf($lang_forum['Select topic'], forum_htmlencode($cur_topic['subject'])).''; ]]>