Fixed stacks sometimes having the wrong amount if created on another stack

code/game/machinery/doors/firedoor.dm

@@ -355,8 +355,7 @@
 					return
 				user.visible_message("<span class='notice'>[user] removes the wires from [src].</span>", \
 									 "<span class='notice'>You remove the wiring from [src], exposing the circuit board.</span>")
-				var/obj/item/stack/cable_coil/B = new(get_turf(src))
-				B.amount = 5
+				new/obj/item/stack/cable_coil(get_turf(src), 5)
 				constructionStep = CONSTRUCTION_GUTTED
 				update_icon()
 				return

code/game/machinery/washing_machine.dm

@@ -65,8 +65,7 @@
 	return
 
 /obj/item/stack/sheet/hairlesshide/machine_wash(obj/machinery/washing_machine/WM)
-	var/obj/item/stack/sheet/wetleather/WL = new(loc)
-	WL.amount = amount
+	new /obj/item/stack/sheet/wetleather(drop_location(), amount)
 	qdel(src)
 
 /obj/item/clothing/suit/hooded/ian_costume/machine_wash(obj/machinery/washing_machine/WM)