simple: fix the active_low switch in gpiod_simple_event_loop()
simple: fix the active_low switch in gpiod_simple_event_loop()

We're incorrectly passing the boolean active_low argument to
gpiod_line_request_both_edges_events_flags() as flags. Add the same
conversion as in the other simple API routines.

Signed-off-by: Bartosz Golaszewski <108de5fbc428215dc26df4468b48691526611148@gmail.com>

brgl/libgpiod,brgl/libgpiod,brgl/libgpiod,brgl/libgpiod