gpg: Auto-create revocation certificates.
* configure.ac (GNUPG_OPENPGP_REVOC_DIR): New config define. * g10/revoke.c (create_revocation): Add arg "leadin". (gen_standard_revoke): New. * g10/openfile.c (get_openpgp_revocdir): New. (open_outfile): Add MODE value 3. * g10/keyid.c (hexfingerprint): New. * g10/keygen.c (do_generate_keypair): Call gen_standard_revoke.
- GnuPG-bug-id: T1042