cgns: fix a missing version check (!10244) · Merge requests · VTK / VTK · GitLab

Ben Boeckel requested to merge ben.boeckel/vtk:cgns-missed-hdf5-compat into master May 31, 2023

Also backports https://github.com/CGNS/CGNS/pull/712 to support 1.8-era HDF5 files.

Cc: @MicK7
Backport: release