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

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

@@ -2,7 +2,7 @@
 	name = "fire"
 	icon_state = "explosion_particle"
 	opacity = 1
-	anchored = 1
+	anchored = TRUE
 
 /obj/effect/particle_effect/expl_particles/New()
 	..()
@@ -26,7 +26,7 @@
 	icon = 'icons/effects/96x96.dmi'
 	icon_state = "explosion"
 	opacity = 1
-	anchored = 1
+	anchored = TRUE
 	mouse_opacity = 0
 	pixel_x = -32
 	pixel_y = -32