So the issue, in short, is that the ref which gets referenced by the submodule (https://github.com/malaterre/gdcmdata/tree/9b38ac7a8baee4e943505ab3c56fb7d19d54754f) isn't there.
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
So the issue, in short, is that the ref which gets referenced by the submodule (https://github.com/malaterre/gdcmdata/tree/9b38ac7a8baee4e943505ab3c56fb7d19d54754f) isn't there.
Issue only exists for GitHub, the ref seems to exist on SF!
Now it got pushed to GitHub. Thanks, @malat.