Ticket #47895 - If no effective ciphers are available, disable security setting.
Description: If nsslapd-security is "on" and nsSSL3Ciphers is given
AND none of the ciphers are available or some syntax error is detected,
the server sets nsslapd-security "off" and starts up.
https://fedorahosted.org/389/ticket/47895
Reviewed by nkinder@redhat.com (Thank you, Nathan!!)