more fixes

code/datums/mind.dm

@@ -906,9 +906,11 @@
 				if(src in SSticker.mode.changelings)
 					SSticker.mode.changelings -= src
 					special_role = null
-					current.remove_changeling_powers()
+					if(changeling)
+						current.remove_changeling_powers()
+						qdel(changeling)
+						changeling = null
 					SSticker.mode.update_change_icons_removed(src)
-					if(changeling)	qdel(changeling)
 					to_chat(current, "<FONT color='red' size = 3><B>You grow weak and lose your powers! You are no longer a changeling and are stuck in your current form!</B></FONT>")
 					log_admin("[key_name(usr)] has de-changelinged [key_name(current)]")
 					message_admins("[key_name_admin(usr)] has de-changelinged [key_name_admin(current)]")

code/game/gamemodes/changeling/powers/swap_form.dm

@@ -44,7 +44,7 @@
 	var/lingpowers = list()
 	for(var/power in changeling.purchasedpowers)
 		lingpowers += power
-	
+
 	changeling.absorbed_dna -= changeling.find_dna(user.dna)
 	changeling.protected_dna -= changeling.find_dna(user.dna)
 	changeling.absorbedcount -= 1
@@ -66,6 +66,7 @@
 
 	for(var/power in lingpowers)
 		var/datum/action/changeling/S = power
+		target.mind.changeling.purchasedpowers += S
 		if(istype(S) && S.needs_button)
 			S.Grant(target)