PointCloudLibrary/pcl — pull request #260 by taketwo (2013-09-09 22:20:51+00:00)
Title: Add missing include and forward declaration in pcl_plotter.h

Forward declaration of vtkRenderWindow was missing in pcl_plotter.h.
Also it is not sufficient to forward declare vtkSmartPointer, the
corresponding header shound be included.