Commits
Merge pull request #2502 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:develop_minor to develop * commit '35c0d5cdfcfaa84f59e1c596ba1ccaeb28e3d83d': Fix for passthrough VOL not passing tools tests due to incorrect optional callback queries.
Merge pull request #2502 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:develop_minor to develop * commit '35c0d5cdfcfaa84f59e1c596ba1ccaeb28e3d83d': Fix for passthrough VOL not passing tools tests due to incorrect optional callback queries.