scd:openpgp: Robust Data Object handling for constructed case.
* scd/app-openpgp.c (get_cached_data): When it comes with its tag and length for the constructed Data Object, remove them.
Cherry-pick master commit of:
35ef87d8d9db42c3077996317781986a692552cc
- GnuPG-bug-id: T7058
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>