hdf5_ep

Merge pull request #2609 in HDFFV/hdf5 from ~BMRIBLER/hdf5-bmr:develop to develop

Fix HDFFV-11053 (CVE-2020-10810)

* commit 'b155a777629e991374fa2f8609719cb861de4cc2':
  Changed wording in comment.
  - added comment to explain a kluge - added the associated entry to release notes
  Fix HDFFV-11053