curses: Add option to beep or flash terminal on dialog.
* pinentry/pinentry-curses.c (dialog_run): Beep or flash terminal. * pinentry/pinentry.c (pinentry_reset): Reset ttyalert option. (pinentry_parse_opts): Parse option ttyalert. (option_handler): Handle option ttyalert. * pinentry/pinentry.h (struct pinentry): New option ttyalert.
- Signed-off-by: Marcus Brinkmann <mb@g10code.com>
- GnuPG-bug-id: T2013