Bug#586491: Broken symlinks created for package if /usr/src is a symlink

[Evan Harris <eharris@puremagic.com>]

Package: linux-headers-2.6.32-5-common
Version: 2.6.32-15

If /usr/src is symlinked to a different location, the symlinks within the 
package for 'Kbuild' and 'scripts' end up being broken since ../.. traverses 
from the actual location.

This is likely a problem for all the versions of this package, as well as 
other versions of the kernel.

Evan