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

code/game/objects/effects/effect_system/effects_smoke.dm

@@ -10,7 +10,7 @@
 	pixel_y = -32
 	opacity = 0
 	layer = FLY_LAYER
-	anchored = 1
+	anchored = TRUE
 	mouse_opacity = 0
 	animate_movement = 0
 	var/amount = 4
@@ -176,7 +176,7 @@
 					G.garbage_collect()
 		for(var/obj/machinery/atmospherics/components/unary/U in T)
 			if(!isnull(U.welded) && !U.welded) //must be an unwelded vent pump or vent scrubber.
-				U.welded = 1
+				U.welded = TRUE
 				U.update_icon()
 				U.visible_message("<span class='danger'>[U] was frozen shut!</span>")
 		for(var/mob/living/L in T)