tweak: spraycans in artvend (#3972)

code/game/machinery/vending.dm

@@ -1779,7 +1779,7 @@
 	ads_list = list("Just like Kindergarten!","Now with 1000% more vibrant colors!","Screwing with the janitor was never so easy!","Creativity is at the heart of every spessman.")
 	vend_delay = 15
 	icon_state = "artvend"
-	products = list(/obj/item/stack/cable_coil/random = 10,/obj/item/camera = 4,/obj/item/camera_film = 6,
+	products = list(/obj/item/toy/crayon/spraycan = 2,/obj/item/stack/cable_coil/random = 10,/obj/item/camera = 4,/obj/item/camera_film = 6,
 	/obj/item/storage/photo_album = 2,/obj/item/stack/wrapping_paper = 4,/obj/item/stack/tape_roll = 5,/obj/item/stack/packageWrap = 4,
 	/obj/item/storage/fancy/crayons = 4,/obj/item/hand_labeler = 4,/obj/item/paper = 10,
 	/obj/item/c_tube = 10,/obj/item/pen = 5,/obj/item/pen/blue = 5,