Compile cGit 2.0.4

[Jorge Bastos]

> Do you have a weird CGIT_VERSION defined in your environment?  The
> string $'\r' doesn't appear in gen-version.sh so I don't understand
> where that error can be coming from.
> 
> Alternatively do you have a weird (non-POSIX) /bin/sh?  What operating
> system are you using?

I've always compiled cgit manually here.
Debian, sh is the normal "shtool" package.

Git 2.1.0-rc1