Bluetooth: Use list_for_each_entry in hci_conn_hash_flush()

void hci_conn_hash_flush(struct hci_dev *hdev)

{

	struct hci_conn_hash *h = &hdev->conn_hash;

	struct list_head *p;

	BT_DBG("hdev %s", hdev->name);

	p = h->list.next;

	while (p != &h->list) {

	struct hci_conn *c;

		c = list_entry(p, struct hci_conn, list);

		p = p->next;

	BT_DBG("hdev %s", hdev->name);

	list_for_each_entry(c, &h->list, list) {

		c->state = BT_CLOSED;

		hci_proto_disconn_cfm(c, HCI_ERROR_LOCAL_HOST_TERM);