Merge topic 'glyph-source-unused-points'

46fd7f4f In vtkGlyphSource2D::CreateDash, only add points if dash is filled.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Ben Boeckel <ben.boeckel@kitware.com>
Reviewed-by: Berk Geveci <berk.geveci@kitware.com>
Merge-request: !547