Do not swallow error details when reporting UV_EPROTO asynchronously,
and when creating artificial errors.
Fix: #3692
PR-URL: https://github.com/nodejs/node/pull/4885
Reviewed-By: Shigeki Ohtsu <ohtsu@iij.ad.jp>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>