hdf5_ep

Merge pull request #2062 in HDFFV/hdf5 from ~DYOUNG/vchoi_fork:revert-c99-designated to develop

* commit '0108072f7a746b809952d5cc560577f931b64f71':
  Revert "Make a squash commit of 'Quiet some warnings by adjusting warnings level and fixing some code.' (commit 5c911d8baf3)"
  Revert "Oops, remove more C99 designated initializers for VS 2010 compatibility."