OpenSSL::X509::ExtensionFactory#subject_certificate=

static VALUE
ossl_x509extfactory_set_subject_cert(VALUE self, VALUE cert)
{
    X509V3_CTX *ctx;

    GetX509ExtFactory(self, ctx);
    rb_iv_set(self, "@subject_certificate", cert);
    ctx->subject_cert = GetX509CertPtr(cert); /* NO DUP NEEDED */

    return cert;
}