Changed floor ex_act to not break grilles & src if under r-windows.

code/game/objects/structures/grille.dm

@@ -11,7 +11,6 @@
 	var/health = 10
 	var/destroyed = 0
 	var/obj/item/stack/rods/stored
-	level = 3
 
 /obj/structure/grille/New()
 	stored = new/obj/item/stack/rods(src)

code/game/objects/structures/window.dm

@@ -307,7 +307,7 @@
 		return
 
 /obj/structure/window/proc/spawnfragments()
-	if(!loc) //if already qdel'd somehow, we do nothing
+	if(qdeleted())
 		return
 	var/turf/T = loc
 	for(var/obj/item/I in storeditems)