Bug#983497: allow to build without the udeb package

[Matthias Klose]

Package: src:qcontrol
Version: 0.5.6-4
Tags: patch

allow to build without the udeb package.

patch at
http://launchpadlibrarian.net/524968245/qcontrol_0.5.6-4build1_0.5.6-4ubuntu1.diff.gz