deb-pkg: Fix building outside of source tree (O=...).
deb-pkg: Fix building outside of source tree (O=...).

When building linux-headers package using deb-pkg, builddeb erroneously assume
current directory is the source tree. This is not true if building in another
directory, using make O=... deb-pkg.

This patch fix this problem.

Signed-off-by: Nicolas de Pesloüan <a3380c81fd3de0cead1f530bf66f35d8fd661ef2@free.fr>
Tested-by: Nikolai Kondrashov <dff6b73362af785b5ef4ed6d8e695308c0b18b8d@gmail.com>
Acked-by: maximilian attems <0706025b2bbcec1ed8d64822f4eccd96314938d0@stro.at>
Signed-off-by: Michal Marek <0c835876a532a476f30fdb1f6e963bae6c5a1a04@suse.cz>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas