Do not crash when WallObstacle::getHitNormal is called
Do not crash when WallObstacle::getHitNormal is called

kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1