libusb: stop read_thread
from looping indefinitely (#456)
#457
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When
libusb_submit_transfer
inread_thread
fails,read_callback
never gets called and never setstransfer_loop_finished
to true, causingread_thread
to loop indefinitely.Fix this by skipping the handle_events for the transfer
Fixes hidapi-libusb: if
libusb_submit_transfer
fails in read_thread,hid_close
hangs #456