[Yhc] lexical error in interactive/Interact.hs building Yhc

[Neil Mitchell]

Hi

> Should scons build Yhe? I don't think so, as it currently doesn't
> work! I thought you had to explicitly do scons build yhe to get yhe
> compiled?

Ah! We don't have any buildbots that do just a scons, they all do
scons blah etc! Perhaps one of them should be flipped to doing scons
on its own, for safety?

Thanks

Neil