Force the protocol when forcing HTTP/2.
Force the protocol when forcing HTTP/2.

This allows the --h2 flag to work with TLS connections too.

Lukasa/hyper,Lukasa/hyper,fredthomsen/hyper,lawnmowerlatte/hyper,fredthomsen/hyper,plucury/hyper,lawnmowerlatte/hyper,plucury/hyper