Fix compilation with VTK 7.1

This fixes #49 (closed).

The problem was just a missing vtk library dependency. It is likely that this compiled in earlier versions of vtk because one of the other libraries we use also depended on it.

added 1 commit

• 2ab91107 - Update Changelog

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Looks good - well spotted. Passes buildbot so will merge.

mentioned in commit 4add9fbe

merged

changed milestone to %v4.4.1