[Distutils] MSVC7 directories

[Mark Hammond]

> I would find it strange if a naive setup script would use different
> include and lib directories depending on whether win32all is installed
> or not.

I agree.

> IIRC, distutils need to read the registry was the reason that the
> _winreg module was added to the Python core.
>
> Maybe its time to add a distutils_util compiled extension for windows
> specific features (do I need a smiley here or not - not sure) ?

I think that exposing SHGetSpecialFolderPath() would be a valuable addition
to the Python runtime, and I guess that inside distutils would be a
reasonable place for it.

Mark.