pop3c: Give GUID to the INBOX to avoid crashes with dsync.
pop3c: Give GUID to the INBOX to avoid crashes with dsync.

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