Fixes occasional segfaults whith libusb(x) 1.0.8 in gr-fcd

This patch changes to the latest hidapi version and applies a patch by Hans de Goede to avoid segfaults that sometime happen.
See also
http://people.fedoraproject.org/~jwrdegoede/0001-hidapi-libusb-Properly-wait-for-transfer-cancellatio.patch