NID_id_pkix_OCSP_serviceLocator
{"serviceLocator", "OCSP Service Locator", NID_id_pkix_OCSP_serviceLocator, 9, &so[2777]},
x = X509V3_EXT_i2d(NID_id_pkix_OCSP_serviceLocator, 0, sloc);
NID_id_pkix_OCSP_serviceLocator, 0, ASN1_ITEM_ref(OCSP_SERVICELOC),