Merge pull request #3352 from Cerebulon/vendingpanels

Adds missing vending machine maintenance panel sprites.

code/game/machinery/kitchen/smartfridge.dm

@@ -139,6 +139,7 @@
 	icon_state = "drying_rack"
 	icon_on = "drying_rack_on"
 	icon_off = "drying_rack"
+	icon_panel = "drying_rack-panel"
 
 /obj/machinery/smartfridge/drying_rack/accept_check(var/obj/item/O as obj)
 	if(istype(O, /obj/item/weapon/reagent_containers/food/snacks/))