du refactor

Elevator/Elevator.c

@@ -110,6 +110,7 @@ void *runnable_Elevator(void * void_this){
 
 	printf("Je suis l'ascenseur %s\n", this->name);
 	for (;;){
+		data->main_building->get_waiting_floors(data->main_building);
 		data->main_building->signal_elevator_at_floor(data->main_building, this->get_floor(this));
 		this->set_floor(this, this->get_next_floor(this));
 	}