[fixed] empty lastname in existing save

locations/saveupdater.qsrc

@@ -3624,7 +3624,12 @@ end
 
 
 if temp_current_save_version < 00090401:
-
+	if $npc_lastname['A29'] = '':
+		$npc_lastname['A28'] = $pcs_lastname
+		$npc_lastname['A29'] = $pcs_lastname
+		$npc_lastname['A33'] = $pcs_lastname
+		$npc_lastname['A34'] = $pcs_lastname
+	end
 
 
 end