Default machine include placements

[Mark Brown]

On Mon, Jan 25, 2010 at 10:44:25AM +0000, Ben Dooks wrote:

> Not sure how git deals with symlinks, and I think this will just leave
> us a mess on systems that don't really understand symlinks.

Given that the kernel already includes a number of files distinguished
only by case I'm not sure that that is such a concern - the kernel is
already causing troubles for older filesystems anyway.