probed to see if they own a key handle. Handle this case so the find_device()
look can work for them. Reported by Michael Forney
OpenBSD-Commit-ID: 2ccd5b30a6ddfe4dba228b7159bf168601bd9166
linking against the (previously external) USB HID middleware. The dlopen()
capability still exists for alternate middlewares, e.g. for Bluetooth, NFC
and test/debugging.
OpenBSD-Commit-ID: 14446cf170ac0351f0d4792ba0bca53024930069