Merge topic 'retore-vtkVariant-stream-back-to-dec'

dc7c62ab Ensure vtkVariant stream associated with << operator is set back to "dec".

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Ben Boeckel <ben.boeckel@kitware.com>
Reviewed-by: Ben Boeckel <ben.boeckel@kitware.com>
Merge-request: !2869