Quick bugfix for falsewalls, defined an update_icon() for them that is called by smoothwalls to keep the icons from de-syncing.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@3989 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/objects/structures.dm

@@ -538,6 +538,14 @@ obj/structure/meteorhit(obj/O as obj)
 	radiate()
 	..()
 
+/obj/structure/falsewall/update_icon()//Calling icon_update will refresh the smoothwalls if it's closed, otherwise it will make sure the icon is correct if it's open
+	..()
+	if(density)
+		icon_state = "[mineral]0"
+		src.relativewall()
+	else
+		icon_state = "[mineral]fwall_open"
+
 /obj/structure/falserwall/
 	attack_hand(mob/user as mob)
 		if(density)

code/game/smoothwall.dm

@@ -82,6 +82,7 @@
 		W.relativewall()
 	for(var/obj/structure/falsewall/W in range(src,1))
 		W.relativewall()
+		W.update_icon()//Refreshes the wall to make sure the icons don't desync
 	for(var/obj/structure/falserwall/W in range(src,1))
 		W.relativewall()
 	return