Compilation fix on Linux.
Compilation fix on Linux.

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