This is what is suggested in
http://www.debian.org/doc/debian-policy/ch-controlfields.html#s-f-VCS-fields
Build-Depends: debhelper (>= 9), po-debconf, libusb-1.0-0-dev, pkg-config
Standards-Version: 3.9.2
Homepage: http://git.ao2.it/kinect-audio-setup.git/
Build-Depends: debhelper (>= 9), po-debconf, libusb-1.0-0-dev, pkg-config
Standards-Version: 3.9.2
Homepage: http://git.ao2.it/kinect-audio-setup.git/
-Vcs-Git: git://git.ao2.it/kinect-audio-setup.git
+Vcs-Git: git://git.ao2.it/kinect-audio-setup.git -b debian
Vcs-Browser: http://git.ao2.it/kinect-audio-setup.git/
Package: kinect-audio-setup
Vcs-Browser: http://git.ao2.it/kinect-audio-setup.git/
Package: kinect-audio-setup