Revert "don't use fakeroot to build packages on debian"

This reverts commit f42e64b42aeef9f20ce72c7a94f692a442cfe6d4.
Revert "Revert "don't use fakeroot to build packages on debian""

This reverts commit 5b38e935781a269a00605f5e8b81a70cd3de84b5.
use fakeroot
Revert "use fakeroot"

This reverts commit 97b7caae7f311595b9032f83f2f699716ae0dc7c.