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

code/modules/events/immovable_rod.dm

@@ -31,8 +31,8 @@ In my current plan for it, 'solid' will be defined as anything with density == 1
 	icon = 'icons/obj/objects.dmi'
 	icon_state = "immrod"
 	throwforce = 100
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	var/z_original = 0
 	var/destination
 	var/notify = TRUE

code/modules/events/prison_break.dm

@@ -49,7 +49,7 @@
 				temp.overload_lighting()
 			else if(istype(O,/obj/structure/closet/secure_closet))
 				var/obj/structure/closet/secure_closet/temp = O
-				temp.locked = 0
+				temp.locked = FALSE
 				temp.update_icon()
 			else if(istype(O,/obj/machinery/door/airlock))
 				var/obj/machinery/door/airlock/temp = O

code/modules/events/spacevine.dm

@@ -280,7 +280,7 @@
 
 /datum/spacevine_mutation/woodening/on_grow(obj/structure/spacevine/holder)
 	if(holder.energy)
-		holder.density = 1
+		holder.density = TRUE
 	holder.max_integrity = 100
 	holder.obj_integrity = holder.max_integrity
 
@@ -311,8 +311,8 @@
 	desc = "An extremely expansionistic species of vine."
 	icon = 'icons/effects/spacevines.dmi'
 	icon_state = "Light1"
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 	layer = SPACEVINE_LAYER
 	mouse_opacity = 2 //Clicking anywhere on the turf is good enough
 	pass_flags = PASSTABLE | PASSGRILLE