railing/handrailing overlay fix

hyperstation/code/game/objects/railings.dm

@@ -16,6 +16,7 @@
 	var/heat_resistance = 800
 	var/health = 70
 	var/maxhealth = 70
+	layer = BELOW_MOB_LAYER
 
 
 	resistance_flags = ACID_PROOF
@@ -164,6 +165,14 @@
 	usr.visible_message("<span class='warning'>[user] climbed over \the [src]!</span>")
 	usr.do_twist(targetangle = 45, timer = 8)
 
+/obj/structure/railing/Initialize(mapload) //mobs will show under the south railing sprite, thanks Cyanosis for helping with the fix
+  . = ..()
+  if(!mapload)
+    return
+  if(!(dir & SOUTH))
+    return
+  layer = ABOVE_MOB_LAYER
+
 /obj/structure/railing/handrail
 	name = "handrail"
 	desc = "A waist high handrail, perhaps you could climb over it."