When unbuying place, clear used time from Slot

code/moya-beans/ejbModule/fi/codecrew/moya/beans/PlaceBean.java

@@ -618,6 +618,7 @@ public class PlaceBean implements PlaceBeanLocal {
 		// remove also slot from place
 		// remove also slot from place
 		if (slot != null) {
 		if (slot != null) {
 			slot.setPlace(null);
 			slot.setPlace(null);
+			slot.setUsed(null);
 			place.setReserverSlot(null);
 			place.setReserverSlot(null);
 		}
 		}
 		return place;
 		return place;