maildir storage: Don't keep memory pointing to mailbox list. Storage is no longer directly related to mailbox list, and the list may be freed.
maildir storage: Don't keep memory pointing to mailbox list.
Storage is no longer directly related to mailbox list, and the list may be
freed.

--HG--
branch : HEAD

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