LDAP_STAILQ_REMOVE( &op->o_conn->c_pending_ops, o, Operation, o_next );
LDAP_STAILQ_NEXT(o, o_next) = NULL;
op->o_conn->c_n_ops_pending--;
LDAP_STAILQ_REMOVE( &op->o_conn->c_pending_ops, o, Operation, o_next );
LDAP_STAILQ_NEXT(o, o_next) = NULL;
op->o_conn->c_n_ops_pending--;