fixed tons of null pointers after loading objects from db

src/resources/objects/mission/MissionObject.java

@@ -80,6 +80,8 @@ public class MissionObject extends IntangibleObject implements Serializable {
 	public void initAfterDBLoad() {
 		super.init();
 		messageBuilder = new MissionMessageBuilder(this);
+		if(attachedWaypoint != null)
+			attachedWaypoint.initAfterDBLoad();
 	}
 
 	public int getMissionLevel() {