can: rx-offload: can_rx_offload_add_timestamp: remove duplicate semicolon at return statement

This patch removes the duplicate semicolon at the end of the return
statement.

Suggested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/rx-offload.c

@@ -256,7 +256,7 @@ int can_rx_offload_add_timestamp(struct net_device *dev, struct can_rx_offload *
 		weight = offload->mb_first - offload->mb_last;
 	}
 
-	return can_rx_offload_init_queue(dev, offload, weight);;
+	return can_rx_offload_init_queue(dev, offload, weight);
 }
 EXPORT_SYMBOL_GPL(can_rx_offload_add_timestamp);