Updates a dns server location record if type is srv.
$session_id, $client_id, $primary_id, $params
Parameters (in $params):server_id (int(11))
zone (int(11))
name (varchar(64))
type (enum('a','aaaa','alias','cname','hinfo','mx','naptr','ns','ptr','rp','srv','txt'))
data (varchar(255))
aux (int(11))
ttl (int(11))
active (enum('n','y'))
stamp (timestamp)
serial (int(10))
Output:Returns the number of affected rows.