[Libguestfs] sfdisk: No more Cylinder / Head / Sector support in util-linux 2.26 and later

[Hilko Bengen]

* Richard W.M. Jones:

> I think a compile-time check would just cause the API to fail in a
> different way, so I don't think it would help users very much, unless
> I'm misunderstanding what you mean.

I think you are right.

Cheers,
-Hilko