Build depend on libpolkit-gobject-1-dev

to properly detect uid support in pkcheck.

Thanks: Laurent Bigonville
Closes: #787782

debian/control

@@ -26,6 +26,7 @@ Build-Depends:
  libpciaccess-dev,
  kmod [linux-any],
  policykit-1 (>= 0.105-4~),
+ libpolkit-gobject-1-dev,
  libcap-ng-dev [linux-any],
  libnl-3-dev [linux-any],
  libnl-route-3-dev [linux-any],