Bluetooth: Fix inititial value for remote authentication requirements

The remote authentication requirements for conections need to be
initialized to 0xff (unknown) since it is possible that we receive a IO
Capability Request before we have received information about the remote
requirements.
Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

net/bluetooth/hci_conn.c

@@ -286,6 +286,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
 	conn->state = BT_OPEN;
 	conn->auth_type = HCI_AT_GENERAL_BONDING;
 	conn->io_capability = hdev->io_capability;
+	conn->remote_auth = 0xff;
 
 	conn->power_save = 1;
 	conn->disc_timeout = HCI_DISCONN_TIMEOUT;