hdf5_msb

Merge pull request #2310 in HDFFV/hdf5 from ~BYRN/hdf5_adb:hdf5_1_8 to hdf5_1_8

* commit 'd2197ad1ef80ccc780378e3959c91c08c9a45bce':
  Add another warning variation
  Add unknown pragma warning ignore
  Add ZLIB to warings ignore
  Only use sanitzers with clang