fixes of -Wunused-but-set-variable warning
This warning was appearing in vtkHyperTreeGridSource
and
vtkDIYGhostUtilities
.
See https://discourse.vtk.org/t/various-wunused-but-set-variable-warnings/7580/3
This warning was appearing in vtkHyperTreeGridSource
and
vtkDIYGhostUtilities
.
See https://discourse.vtk.org/t/various-wunused-but-set-variable-warnings/7580/3