pr4886: build-id enforcement

[Frank Ch. Eigler]

Hi -

On Wed, Oct 08, 2008 at 09:45:19AM +0800, Wenji Huang wrote:

> [...] But some cases are skipped, such as no
> build-id in debuginfo, but exists in module/kernel.

IMO, these cases are out of the control of the user, and by nature
cannot contribute to build-id validation.  So we can lump them into
the other case where there is no build-id at all.

- FChE