hdf5

Merge pull request #1928 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:1_10_minor_pr to hdf5_1_10

* commit '71c80267ba0db1c1b439d39e4bd7c27b82510c92':
  Added MPICH_SKIP_MPICXX and OMPI_SKIP_CXX to H5public.h to avoid inadvertant linking to the deprecated MPI C++ wrappers. Fixes HDFFV-10893.