MFH: r516311

Update to 5.37 with patch for CVE-2019-18218.

PR: 241424
Submitted by: Nathan Owens <ndowens04@gmail.com>
Approved by: jharris@widomaker.com (maintainer)
Security: 381deebb-f5c9-11e9-9c4f-74d435e60b7c

Approved by: ports-secteam (miwi)