Patch taken from gentoo:
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=bd7dad9ddb35e1e3e68ad43176c5e48fbb25338d

Fixes build with networkmanager-1.0.6.

Triggered by http://cgit.freedesktop.org/NetworkManager/NetworkManager/commit/?h=nm-1-0&id=6f616d4c4b04d5478f60d0311317bc84c5459ea4.

--- CMakeLists.txt
+++ CMakeLists.txt
@@ -49,6 +49,7 @@
                     ${CMAKE_CURRENT_SOURCE_DIR}/libs
                     ${CMAKE_CURRENT_SOURCE_DIR}/libs/editor/
                     ${NETWORKMANAGER_INCLUDE_DIRS}
+                    ${NM-UTIL_INCLUDE_DIRS}
                     ${NETWORKMANAGERQT_INCLUDE_DIRS}
                     ${KDE4_INCLUDES})