DMD Mac installation instruction

[Anders F Björklund]

Jacob Carlborg wrote:
> The installation instructions for dmd mac, at 
> http://www.digitalmars.com/d/1.0/dmd-osx.html, says to put dmd.conf in 
> /etc but it seems that it doesn't work. I recommend changing that to: 
> put the dmd.conf in the same directory as dmd.

/etc/dmd.conf is disabled on Mac OS X and FreeBSD...

             if (FileName::exists(filename))
                 goto Ldone;
             }

For linux [sic], it looks in /etc if not with argv0.

             if (!filename)
                 goto Letc;      // argv0 not found on path

--anders