[Bluetooth] Use usb_kill_urb() for synchronous unlink

The usb_unlink_urb() for synchronous unlink is deprecated and should
be replaced by usb_kill_urb().
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/bcm203x.c

@@ -264,7 +264,7 @@ static void bcm203x_disconnect(struct usb_interface *intf)
 
 	BT_DBG("intf %p", intf);
 
-	usb_unlink_urb(data->urb);
+	usb_kill_urb(data->urb);
 
 	usb_set_intfdata(intf, NULL);
 

drivers/bluetooth/bfusb.c

@@ -123,7 +123,7 @@ static void bfusb_unlink_urbs(struct bfusb *bfusb)
 
 	while ((skb = skb_dequeue(&bfusb->pending_q))) {
 		urb = ((struct bfusb_scb *) skb->cb)->urb;
-		usb_unlink_urb(urb);
+		usb_kill_urb(urb);
 		skb_queue_tail(&bfusb->completed_q, skb);
 	}