while taking up some loose ends on my work on delete support for back-
config (enabled with -DSLAP_CONFIG_DELETE) I wondered how we should deal
with the deletion of the syncprov overlay when there are active
refreshAndPersist sessions. What errorcode should we sent when closing
such a connection? To me LDAP_UNAVAILABLE sound like the best choice.
LDAP_UNWILLING_TO_PERFORM might also be ok.