Compile fix for qt with cmake version 3.x.
Compile fix for qt with cmake version 3.x.

oliverjdb/GoTools,SINTEF-Geometry/GoTools,VibekeSkytt/GoTools,oliverjdb/GoTools,VibekeSkytt/GoTools,sbriseid/GoTools,VibekeSkytt/GoTools,SINTEF-Geometry/GoTools,sbriseid/GoTools,sbriseid/GoTools,SINTEF-Geometry/GoTools,oliverjdb/GoTools