kbx: Change X.509 S/N search definition.
* kbx/keybox-search-desc.h (struct keydb_search_desc): Do not overload SNLLEN with a hex flag. Add SNHEX. * kbx/keybox-search.c (keybox_search): Adjust. * common/userids.c (classify_user_id): Adjust. * sm/keydb.c (keydb_search_desc_dump): Adjust. * g10/keydb.c (keydb_search_desc_dump): Adjust.
- Signed-off-by: Werner Koch <wk@gnupg.org>