mail_index_open(): If index is already open, return 1 instead of 0 so the caller won't think it failed..
mail_index_open(): If index is already open, return 1 instead of 0 so the
caller won't think it failed..

Distrotech/dovecot,damoxc/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,damoxc/dovecot,damoxc/dovecot,Distrotech/dovecot,damoxc/dovecot,damoxc/dovecot