[vtkusers] upgrade vtk from vtk 5.0 to 5.8

[David Doria]

On Fri, Jun 22, 2012 at 7:16 AM, Gishara Indeewarie <gish.777 at gmail.com> wrote:
> Hi David,
> I think below is where the error coming from.
> Sorry for my last email.
> Thanks.

We always prefer very short but still fully compilable code that
produces the error. The idea being that we can copy+paste+compile and
be an a very easy situation to debug.

David