Fix problem with displaying polyhedrons (add missing include)
Fix problem with displaying polyhedrons (add missing include)

FedoraScientific/salome-gui,FedoraScientific/salome-gui,FedoraScientific/salome-gui,FedoraScientific/salome-gui,FedoraScientific/salome-gui,FedoraScientific/salome-gui