Re: Fix to fileio.c to un-break W32 build

[Jan D.]

> Building in Windows using MinGW suddenly broke -- Frename_file in
> fileio.c calls the function Fmake_symbolic_link, but that function
> isn't defined on Windows.  I think the right thing to do is simply
> wrap the call in an `ifdef' like this, just as the definition of
> Fmake_symbolic_link is:

A bit different fix checked in, please try again.

Thanks,

        Jan D.