Fix bugs caught by static analysis

Aleksander Machniak

2013-05-06 c027ba7709a86c23038428de15ffed503e67c522

 plugins/password/drivers/sql.php

@@ -183,7 +183,7 @@
        $res = $db->query($sql, $sql_vars);

        if (!$db->is_error()) {
            if (strtolower(substr(trim($query),0,6))=='select') {
            if (strtolower(substr(trim($sql),0,6)) == 'select') {
                if ($result = $db->fetch_array($res))
                    return PASSWORD_SUCCESS;
            } else {