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

code/game/objects/items/devices/flashlight.dm

@@ -9,7 +9,7 @@
 	slot_flags = SLOT_BELT
 	materials = list(MAT_METAL=50, MAT_GLASS=20)
 	actions_types = list(/datum/action/item_action/toggle_light)
-	var/on = 0
+	var/on = FALSE
 	var/brightness_on = 4 //range of light when on
 	var/flashlight_power = 1 //strength of the light when on
 
@@ -208,7 +208,7 @@
 	w_class = WEIGHT_CLASS_BULKY
 	flags = CONDUCT
 	materials = list()
-	on = 1
+	on = TRUE
 
 
 // green-shaded desk lamp
@@ -271,7 +271,7 @@
 		. = ""
 
 /obj/item/device/flashlight/flare/proc/turn_off()
-	on = 0
+	on = FALSE
 	force = initial(src.force)
 	damtype = initial(src.damtype)
 	if(ismob(loc))
@@ -415,7 +415,7 @@
 		update_icon()
 
 /obj/item/device/flashlight/glowstick/proc/turn_off()
-	on = 0
+	on = FALSE
 	update_icon()
 
 /obj/item/device/flashlight/glowstick/update_icon()