sm: Avoid warnings about useless assignments.
* sm/call-dirmngr.c (prepare_dirmngr): Remove setting of ERR. (unhexify_fpr): Remove useless computation on N. * sm/certchain.c (do_validate_chain): Remove clearing of RC. Remove useless setting of RC. * sm/fingerprint.c (gpgsm_get_keygrip): Remove setting of RC. * sm/gpgsm.c (build_list): Replace final stpcpy by strcpy. * sm/keydb.c (keydb_clear_some_cert_flags): Remove clearing of RC. * sm/server.c (cmd_getauditlog): Comment unused skip_options.
- Signed-off-by: Werner Koch <wk@gnupg.org>