Changes some 1s and 0s to TRUE and FALSE (#1967)

code/game/objects/structures/holosign.dm

@@ -4,7 +4,7 @@
 /obj/structure/holosign
 	name = "holo sign"
 	icon = 'icons/effects/effects.dmi'
-	anchored = 1
+	anchored = TRUE
 	max_integrity = 1
 	armor = list(melee = 0, bullet = 50, laser = 50, energy = 50, bomb = 0, bio = 0, rad = 0, fire = 20, acid = 20)
 	var/obj/item/weapon/holosign_creator/projector
@@ -44,7 +44,7 @@
 	desc = "A short holographic barrier which can only be passed by walking."
 	icon_state = "holosign_sec"
 	pass_flags = LETPASSTHROW
-	density = 1
+	density = TRUE
 	max_integrity = 20
 	var/allow_walk = 1 //can we pass through it on walk intent
 
@@ -86,7 +86,7 @@
 /obj/structure/holosign/barrier/cyborg
 	name = "Energy Field"
 	desc = "A fragile energy field that blocks movement. Excels at blocking lethal projectiles."
-	density = 1
+	density = TRUE
 	max_integrity = 10
 	allow_walk = 0