Do not return CA certificates as the EEC

src/ngx_http_voms_module.cpp

@@ -541,10 +541,10 @@ static X509* get_ee_cert(ngx_http_request_t* r)
   if (sk_X509_num(chain) == 0) {
     ee_cert = SSL_get_peer_certificate(r->connection->ssl->connection);
   } else {
-    // find first non-proxy (and non-ca)
+    // find first non-proxy and non-ca cert
     for (int i = 0; i != sk_X509_num(chain); ++i) {
       auto cert = sk_X509_value(chain, i);
-      if (cert && !is_proxy(cert) !is_ca(cert)) {
+      if (cert && !is_proxy(cert) && !is_ca(cert)) {
         ee_cert = cert;
         break;
       }