notifyd: fix handle dispatch functions results

Jun 28 16:11:49 dev1 systemd[1]: Starting Corosync Dbus and snmp notifier...
Jun 28 16:11:50 dev1 systemd[1]: Started Corosync Dbus and snmp notifier.
Jun 28 16:11:50 dev1 notifyd[7145]: [error] Could not dispatch cmap events. Error 1

"1" is CS_OK.