More harddel fixes. (#7861)

Silicons, brainmobs and mannequins should now delete properly.

code/modules/clothing/clothing.dm

@@ -41,6 +41,7 @@
 
 /obj/item/clothing/Destroy()
 	STOP_PROCESSING(SSprocessing, src)
+	QDEL_NULL_LIST(accessories)
 	return ..()
 
 //Updates the icons of the mob wearing the clothing item, if any.

code/modules/mob/living/carbon/brain/MMI.dm

@@ -134,8 +134,7 @@
 		var/mob/living/silicon/robot/borg = loc
 		borg.mmi = null
 	if(brainmob)
-		qdel(brainmob)
-		brainmob = null
+		QDEL_NULL(brainmob)
 	return ..()
 
 /obj/item/device/mmi/radio_enabled

code/modules/mob/living/carbon/brain/brain.dm

@@ -14,6 +14,7 @@
 		if(stat!=DEAD)	//If not dead.
 			death(1)	//Brains can die again. AND THEY SHOULD AHA HA HA HA HA HA
 		ghostize()		//Ghostize checks for key so nothing else is necessary.
+	container = null
 	return ..()
 
 /mob/living/carbon/brain/say_understands(var/other)//Goddamn is this hackish, but this say code is so odd

code/modules/mob/living/carbon/brain/death.dm

@@ -7,7 +7,7 @@
 
 /mob/living/carbon/brain/gib()
 	if(istype(container, /obj/item/device/mmi))
-		qdel(container)//Gets rid of the MMI if there is one
+		QDEL_NULL(container)//Gets rid of the MMI if there is one
 	if(loc)
 		if(istype(loc,/obj/item/organ/internal/brain))
 			qdel(loc)//Gets rid of the brain item

code/modules/mob/living/silicon/silicon.dm

@@ -48,6 +48,7 @@
 /mob/living/silicon/Destroy()
 	silicon_mob_list -= src
 	QDEL_NULL(idcard)
+	QDEL_NULL(common_radio)
 	for(var/datum/alarm_handler/AH in SSalarm.all_handlers)
 		AH.unregister_alarm(src)
 	return ..()

code/modules/organs/internal/brain.dm

@@ -39,8 +39,7 @@
 
 /obj/item/organ/internal/brain/Destroy()
 	if(brainmob)
-		qdel(brainmob)
-		brainmob = null
+		QDEL_NULL(brainmob)
 	return ..()
 
 /obj/item/organ/internal/brain/removed(var/mob/living/user)