* scd/app.c (card_list_signal): Use pipe on POSIX system, event on
Windows.
(card_list_wait): Detect input change as well as card list event
change.
(app_send_devinfo): Finish the command on input close.
(initialize_module_command): Initialize pipe or event.
--
GnuPG-bug-id: 7151
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>