g10: Don't ask keysize for for non-RSA card.
* g10/card-util.c (card_status): Bug fix for keyno. (ask_card_rsa_keysize, do_change_rsa_keysize): Rename. (generate_card_keys): Only ask keysize when RSA. (card_generate_subkey): Likewise.
- Co-authored-by: Arnaud Fontaine <arnaud.fontaine@ssi.gouv.fr>
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>