card: New flag --reread for LIST.
* tools/gpg-card.c (cmd_list): Add flag --reread. * tools/card-call-scd.c (scd_learn): New arg reread. * tools/card-call-scd.c (release_card_info): Fix releasing of the new label var.
- Signed-off-by: Werner Koch <wk@gnupg.org>