fs-metawrap: Fixed stat() to work when parent file's input stream didn't have a parent.
fs-metawrap: Fixed stat() to work when parent file's input stream didn't have a parent.

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