* scd/ccid-driver.c (intr_cb): When LIBUSB_TRANSFER_NO_DEVICE,
just handle this event as failure.
--
Cherry-picked from master commit:
5ab3bc422a5cc1a646c168b547f2b6538b3a4ffa
It used to try another interrupt transfer request to make sure
if it fails again.
GnuPG-bug-id: 4308
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>