vtkUnstructuredGrid::RemoveGhostCells bug fix
vtkUnstructuredGrid::RemoveGhostCells
was crashing on unstructured
grids not having a vtkCellArray
. This is avoided by checking the
number of cells and aborting when there are no cells
Adresses paraview/paraview#21497 (closed)
Backport: paraview/release
Edited by Yohann Bearzi (Kitware)