runtime cleanup

code/game/turfs/turf.dm

@@ -21,7 +21,7 @@
 
 	var/explosion_level = 0	//for preventing explosion dodging
 	var/explosion_id = 0
-	
+
 	var/list/decals
 
 /turf/New()
@@ -426,6 +426,8 @@
 	return T
 
 /turf/handle_fall(mob/faller, forced)
+	if(!faller)
+		return
 	faller.lying = pick(90, 270)
 	if(!forced)
 		return