hdf5

Merge pull request #1965 in HDFFV/hdf5 from ~BYRN/hdf5_adb:hdf5_1_10 to hdf5_1_10

* commit 'af250a017bba52ab7635c99d5237f2e9b7796b88':
  Remove duplicate declaration-init
  Remove non-existent files from compile
  Add new toolchain file
  fix for statement declare variable