Fixes carelessness. (#577)

* Update hud.dm

* Delete hud.dm.rej

* Update alternate_appearance.dm

* Delete alternate_appearance.dm.rej

* Delete mob.dm.rej

* Update mob.dm

code/modules/mob/mob.dm

@@ -30,6 +30,8 @@
 	can_ride_typecache = typecacheof(can_ride_typecache)
 	hook_vr("mob_new",list(src))
 	for(var/v in GLOB.active_alternate_appearances)
+		if(!v)
+			continue
 		var/datum/atom_hud/alternate_appearance/AA = v
 		AA.onNewMob(src)
 	..()

code/modules/mob/mob.dm.rej

@@ -1,10 +0,0 @@
-diff a/code/modules/mob/mob.dm b/code/modules/mob/mob.dm	(rejected hunks)
-@@ -29,6 +29,8 @@
- 	prepare_huds()
- 	can_ride_typecache = typecacheof(can_ride_typecache)
- 	for(var/v in GLOB.active_alternate_appearances)
-+		if(!v)
-+			continue
- 		var/datum/atom_hud/alternate_appearance/AA = v
- 		AA.onNewMob(src)
- 	..()