core: Support keylist mode for op_keylist_from_data.
* src/engine-backend.h (keylist_data): Add MODE argument. * src/engine-gpg.c (gpg_keylist_data): Add MODE argument. * src/engine.c (_gpgme_engine_op_keylist_data): Likewise. * src/engine.h (_gpgme_engine_op_keylist_data): Declaration. * src/keylist.c (gpgme_op_keylist_from_data_start): Call _gpgme_engine_op_keylist_data with ctx->keylist_mode.
- GnuPG-bug-id: T5438
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>