BELGRADE - A Cristiano Ronaldo goal not given in a dramatic World Cup qualifier between Serbia and Portugal would have stood if the two football associations had agreed before the game to use goal-line technology, UEFA said on Monday. Portugal captain Ronaldo was left fuming and got booked for dissent after his stoppage-time effort in Saturday’s Group A 2-2 draw at Serbia was cleared by Stefan Mitrovic after the ball had crossed the line as shown by television replays. With no Video Assistant