Description of problem: PackageKit throws error while trying to install required packages (libvirt).


Version-Release number of selected component (if applicable):
virt-manager-0.8.3-3.fc13.noarch

Steps to Reproduce:
1. run virt-manager without libvirt
2. "Packages required for KVM usage" click "Yes"
  
Actual results:
Error talking to PackageKit: org.freedesktop.DBus.Error.UnknownMethod: No such method 'InstallPackageNames' in interface 'org.freedesktop.PackageKit.Modify' at object path '/org/freedesktop/PackageKit' (signature 'iass')

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/engine.py", line 129, in check_packagekit
    packagekit_install(do_install)
  File "/usr/share/virt-manager/virtManager/engine.py", line 159, in packagekit_install
    pk_control.InstallPackageNames(0, package_list, "hide-confirm-search")
  File "/usr/lib/python2.6/site-packages/dbus/proxies.py", line 68, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/python2.6/site-packages/dbus/proxies.py", line 140, in __call__
    **keywords)
  File "/usr/lib/python2.6/site-packages/dbus/connection.py", line 630, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Error.UnknownMethod: No such method 'InstallPackageNames' in interface 'org.freedesktop.PackageKit.Modify' at object path '/org/freedesktop/PackageKit' (signature 'iass')


Expected results:
Required packages correctly installed.