bpa10x: free sk_buff with kfree_skb

Inspired by Sergio Luis' similar patches, I finally found
a case which is trivial enough that spatch won't choke
on it.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/bluetooth/bpa10x.c

@@ -443,8 +443,8 @@ static void bpa10x_destruct(struct hci_dev *hdev)
 
 	BT_DBG("%s", hdev->name);
 
-	kfree(data->rx_skb[0]);
-	kfree(data->rx_skb[1]);
+	kfree_skb(data->rx_skb[0]);
+	kfree_skb(data->rx_skb[1]);
 	kfree(data);
 }