fix own bug that prevented the recyling vendor from accepting items (#…

…4892)

code/game/machinery/vendor/recycle_vendor.dm

@@ -162,18 +162,16 @@
 		if(i in materials_supported)
 			if(i in materials_allowed)
 				var/material/M = get_material_by_name(i)
-				var/obj/item/stack/material/temp_stack = stored_item_object
 
-				if (temp_stack)
+				if (istype(stored_item_object, /obj/item/stack))
+					var/obj/item/stack/temp_stack = stored_item_object
 					var/obj/item/stack/material/S = new M.stack_type(null, stored_item_materials[i] * temp_stack.amount)
 					stored_item_value += S.get_item_cost()
 					stored_item_fluff += "<br>[i] - [stored_item_materials[i] * temp_stack.amount] units, worth [S.get_item_cost()] credits."
 				else
 					var/obj/item/stack/material/S = new M.stack_type(null, stored_item_materials[i])
 					stored_item_value += S.get_item_cost()
 					stored_item_fluff += "<br>[i] - [stored_item_materials[i]] units, worth [S.get_item_cost()] credits."
-
-
 			else
 				stored_item_fluff += "<br>Payouts for [i] suspended by LSS representative."
 		else // Bay leftover materials
@@ -197,8 +195,8 @@
 	T.apply_to(merchants_pocket)
 
 	for(var/i in stored_item_materials)
-		var/obj/item/stack/material/temp_stack = stored_item_object
-		if (temp_stack)
+		if (istype(stored_item_object, /obj/item/stack))
+			var/obj/item/stack/temp_stack = stored_item_object
 			if(i in materials_stored)
 				materials_stored[i] += stored_item_materials[i] * temp_stack.amount
 			else