Fixed a error in OS detection code for CentOS.

Till Brehm

2014-09-22 f02be96750e48859cc63f1f2b64a86a9202178b4

1
ALTER TABLE `client` CHANGE `web_php_options` `web_php_options` VARCHAR( 255 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT 'no,fast-cgi,cgi,mod,suphp,php-fpm';