MFH: r509479

www/node8: Update 8.16.0 -> 8.16.1

This is a security release. All Node.js users should consult the security
release summary at
https://nodejs.org/en/blog/vulnerability/aug-2019-security-releases/
for details on patched vulnerabilities.

Security: c97a940b-c392-11e9-bb38-000d3ab229d6
Sponsored by: Miles AS

Approved by: ports-secteam (joneum)