www/hiawatha: 10.1 -> 10.3

Changes:

https://www.hiawatha-webserver.org/weblog/112
https://www.hiawatha-webserver.org/weblog/113

PR: 209240
Submitted by: Fred <fred@trinitech.co.uk>
Approved by: Chris Hutchinson <portmaster@BSDforge.com> (maintainer)