scd: Add workaround for ECC attribute on Yubikey.
* scd/app-openpgp.c (parse_algorithm_attribute): Skip possibly bogus octet in a key attribute.
Apply master commit of:
054d14887ef8fa1cbadef4ed2ea28213f25f5d25
- GnuPG-bug-id: T5963
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>