g10: Create expiring keys in quick key generation mode.
* doc/gpg.texi: Document that fact. * g10/keygen.c (quick_generate_keypair): Use a default value. * tests/openpgp/quick-key-manipulation.scm: Test that fact.
- GnuPG-bug-id: T2701
- Signed-off-by: Justus Winter <justus@g10code.com>