Update lightsout.dm

Why do we allow lights out when whoever might be arriving isn't guaranteed to have a light?

code/modules/events/rogue/lightsout.dm

@@ -3,7 +3,7 @@
 	typepath = /datum/round_event/rogue/lightsout
 	weight = 5
 	max_occurrences = 1
-	min_players = 0
+	min_players = 5
 	req_omen = TRUE
 	todreq = list("dusk", "night")
 
@@ -20,4 +20,4 @@
 	if(LAZYLEN(GLOB.streetlamp_list))
 		for(var/obj/machinery/light/roguestreet/i in GLOB.streetlamp_list)
 			i.lights_out()
-	return
+	return