wayland: Avoid infinite loop in keyboard_repeat_handle If `repeat_info->next_repeat_ms` overflows, many key presses will be generated. In the worst case, `now = 0xFFFFFFFFU` and the loop will never terminate. Rearrange the comparison in order to gracefully handle the overflow case. Signed-off-by: Joan Bruguera <joanbrugueram@gmail.com>