gpg: The first key should be in candidates.
* g10/getkey.c (get_best_pubkey_byname): Handle the first key as the initial candidate for the selection.
Cherry-picked from master commit:
7535f1d47a35e30f736f0e842844555f7a4a9841
- GnuPG-bug-id: T4713
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>