eyre: respect protocol from Forwarded header
eyre: respect protocol from Forwarded header

If the Forwarded header specifies the original connection is secure,
update the flag to reflect that, regardless of whether the connection
directly to the urbit was made securely.

ngzax/urbit,urbit/urbit,urbit/urbit,ngzax/urbit,ngzax/urbit,ngzax/urbit,ngzax/urbit,ngzax/urbit,urbit/urbit,urbit/urbit,urbit/urbit,urbit/urbit,urbit/urbit,ngzax/urbit