Revert "Do not add default ports to self URL when guessing it."
Revert "Do not add default ports to self URL when guessing it."

This reverts commit 1218f38a300f6acbed1e061bd2beaeccb34bedf6.

simplesamlphp/simplesamlphp,ghalse/simplesamlphp,dnmvisser/simplesamlphp,ghalse/simplesamlphp,simplesamlphp/simplesamlphp,dnmvisser/simplesamlphp,simplesamlphp/simplesamlphp,simplesamlphp/simplesamlphp,dnmvisser/simplesamlphp,ghalse/simplesamlphp,ghalse/simplesamlphp,dnmvisser/simplesamlphp