agent: Use MAX_PASSPHRASE_LEN (255) also for the loopback.
* agent/call-pinentry.c (agent_get_passphrase): Reduce maximum passphrase length as conveyed to the loopback to MAX_PASSPHRASE_LEN. * agent/genkey.c (agent_ask_new_passphrase): Extend the maximum passphrase as conveyed to the loopback to MAX_PASSPHRASE_LEN.
Note that in genkey() max_length is set to MAX_PASSPHRASE_LEN + 1
because in agent_askpin() decrements that value before conveying it to
- GnuPG-bug-id: T3254
- Signed-off-by: Werner Koch <firstname.lastname@example.org>