Depend on libcap-ng-dev

for lxc driver.

debian/control

@@ -5,7 +5,8 @@ Maintainer: Debian Libvirt Maintainers <pkg-libvirt-maintainers@lists.alioth.deb
 Uploaders: Guido Günther <agx@sigxcpu.org>
 Build-Depends: cdbs (>= 0.4.43), debhelper (>= 7), libxml2-dev, libncurses5-dev, libreadline-dev, zlib1g-dev, libgnutls-dev, python-dev (>= 2.3.5-11), python-central (>= 0.5.6), libavahi-client-dev, libsasl2-dev, libxen-dev [i386 amd64], lvm2, qemu [amd64 i386 powerpc sparc], open-iscsi, libparted1.8-dev, libselinux1-dev, libdevmapper-dev, uuid-dev, libhal-dev, module-init-tools,
  policykit-1,
- dpkg-dev (<< 1.15.3) | dpkg-dev (>> 1.15.3)
+ dpkg-dev (<< 1.15.3) | dpkg-dev (>> 1.15.3),
+ libcap-ng-dev
 XS-Python-Version: current
 Build-Conflicts: dpkg-dev (= 1.15.3)
 Vcs-Git: git://git.debian.org/git/pkg-libvirt/libvirt.git