examples/* no longer work for drivers that use fpi_timeout_add
(process:19921): libfprint-poll-CRITICAL **: 13:51:22.482: fpi_timeout_add: assertion 'fpi_poll_is_setup()' failed
(process:19921): libfprint-poll-CRITICAL **: 13:51:22.482: fpi_timeout_set_name: assertion 'timeout != NULL' failed
Commenting out https://gitlab.freedesktop.org/libfprint/libfprint/blob/master/libfprint/fpi-poll.c#L170 helps.