lib-lda: Make sure duplicate_init() handles non-existent home correctly. With previous change mail_user_get_home() always set home, but this is good anyway.
lib-lda: Make sure duplicate_init() handles non-existent home correctly.
With previous change mail_user_get_home() always set home, but this is good
anyway.

jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,jwm/dovecot-notmuch