fix for the boot issue in openvpn_get_engines(); closes #1038

src/etc/inc/openvpn.inc

@@ -193,7 +193,7 @@ function openvpn_get_digestlist()
 function openvpn_get_engines()
 {
     $openssl_engines = array('none' => 'No Hardware Crypto Acceleration');
-    exec('/usr/local/bin/openssl engine -t -c', $openssl_engine_output);
+    exec('/usr/local/bin/openssl engine -t -c 2> /dev/null', $openssl_engine_output);
 
     if (!count($openssl_engine_output)) {
         /* LibreSSL doesn't offer anything of value */