Enigma: fix issues with enabled messages_cache

Aleksander Machniak

2015-04-05 1ad0e7da5207ab0403f40ee4e14eb282cfab3080

 program/lib/Roundcube/rcube_db_mysql.php

@@ -167,6 +167,12 @@
            return $this->variables[$varname];
        }

        // configured value has higher prio
        $conf_value = rcube::get_instance()->config->get('db_' . $varname);
        if ($conf_value !== null) {
            return $this->variables[$varname] = $conf_value;
        }

        $result = $this->query('SHOW VARIABLES LIKE ?', $varname);

        while ($row = $this->fetch_array($result)) {