gpg: Fix handling of importing cv25519 secret key.
* g10/import.c (transfer_secret_keys): Only emit a warning when secret key is not encrypted.
Fixing-commit: dbfb7f809b89cfe05bdacafdb91a2d485b9fe2e0
- GnuPG-bug-id: T6322
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>