Derp-code fix

Also adds a comment for someone else's code because they wanted me to.

code/game/machinery/poolcontroller.dm

@@ -51,7 +51,7 @@
 				var/mob/living/carbon/human/drownee = M //Typecast them as human.
 				handleDrowning(drownee)		//Only human types will drown, to keep things simple for non-human mobs that live in the water
 
-		for(var/obj/effect/decal/cleanable/decal in T)
+		for(var/obj/effect/decal/cleanable/decal in T)		//Cleans up cleanable decals like blood and such
 			animate(decal, alpha = 10, time = 20)
 			spawn(25)
 				qdel(decal)

code/game/objects/structures/ladders.dm

@@ -29,9 +29,6 @@
 		update_icon()
 
 /obj/structure/ladder/update_icon()
-	if(istype(src, /obj/structure/ladder/dive_point))
-		return
-
 	if(up && down)
 		icon_state = "ladder11"
 
@@ -99,4 +96,7 @@
 
 /obj/structure/ladder/dive_point/New()
 	..()
-	set_light(light_range, light_power)		//magical glowing anchor
+	set_light(light_range, light_power)		//magical glowing anchor
+
+/obj/structure/ladder/dive_point/update_icon()
+	return