D12378: Properly search for NetworkManager

[Rik Mills]

Herald added a subscriber: kde-frameworks-devel.

REPOSITORY
  R239 KDELibs4Support

REVISION DETAIL
  https://phabricator.kde.org/D12378

To: jgrulich, #frameworks
Cc: kde-frameworks-devel, rikmills, #frameworks, michaelh, ngraham, bruns