Fixes the cost of railings (#823)

fixes Railings deconstruct into double their rods. #642

code/game/objects/items/stacks/rods.dm

@@ -3,7 +3,7 @@ GLOBAL_LIST_INIT(rod_recipes, list ( \
 	new/datum/stack_recipe("table frame", /obj/structure/table_frame, 2, time = 10, one_per_turf = TRUE, on_floor = TRUE), \
 	new/datum/stack_recipe("scooter frame", /obj/item/scooter_frame, 10, time = 25, one_per_turf = FALSE), \
 	new/datum/stack_recipe("linen bin", /obj/structure/bedsheetbin/empty, 2, time = 5, one_per_turf = FALSE), \
-	new/datum/stack_recipe("railing", /obj/structure/railing, 3, time = 18, window_checks = TRUE), \
+	new/datum/stack_recipe("railing", /obj/structure/railing, 6, time = 18, window_checks = TRUE), \
 	new/datum/stack_recipe("tank holder", /obj/structure/tank_holder, 2, time = 5, one_per_turf = TRUE, on_floor = FALSE), \
 	new/datum/stack_recipe("ladder", /obj/structure/ladder/crafted, 15, time = 150, one_per_turf = TRUE, on_floor = FALSE), \
 	new/datum/stack_recipe("catwalk floor tile", /obj/item/stack/tile/catwalk_tile, 1, 4, 20), \