Fixes ckey transfers making keys lowercase

code/modules/admin/admin.dm

@@ -1001,7 +1001,7 @@
 	log_admin("[key_name(usr)] stuffed [frommob.key] into [tomob.name].")
 	SSblackbox.record_feedback("tally", "admin_verb", 1, "Ghost Drag Control")
 
-	tomob.ckey = frommob.ckey
+	tomob.key = frommob.key
 	qdel(frommob)
 
 	return TRUE

code/modules/mob/dead/observer/respawn.dm

@@ -180,5 +180,5 @@
 	client.view_size.resetToDefault()
 
 	var/mob/dead/new_player/M = new /mob/dead/new_player
-	M.ckey = ckey
+	M.key = key
 	return M

code/modules/mob/mob.dm

@@ -461,7 +461,7 @@
 				client.prefs.chat_toggles ^= CHAT_OOC
 			if (!(client.prefs.chat_toggles & CHAT_OOC) && isdead(new_mob))
 				client.prefs.chat_toggles ^= CHAT_OOC
-	new_mob.ckey = ckey
+	new_mob.key = key
 	if(send_signal)
 		SEND_SIGNAL(src, COMSIG_MOB_KEY_CHANGE, new_mob, src)
 	return TRUE