Fix NPE: select only if there is a valid Point2d Flying unit make crash when leaving the map #15
Fix NPE: select only if there is a valid Point2d
Flying unit make crash when leaving the map #15

bradparks/OpenRTS_3d_tank_game_inn_java8,chrisrijos/OpenRTS,bzero/OpenRTS,shaunstanislaus/OpenRTS,bestwpw/OpenRTS,tareq-s/OpenRTS,braco/OpenRTS,vr3d/OpenRTS,pelotom/OpenRTS,JeryBeary/OpenRTS,goofwear/OpenRTS,methusalah/OpenRTS,tempbottle/OpenRTS,sangohan/OpenRTS-1