- remove configure checks for MPI_File_get_size and Big
MPI_File_set_size as they are supported by most MPI implementations.
- fix bug in t_mpi.c (HDFFV-8856)



git-svn-id: https://svn.hdfgroup.uiuc.edu/hdf5/trunk@25397 dab4d1a6-ed17-0410-a064-d1ae371a2980
add a check to make sure MPI_File_get_size() returns correct value (HDFFV-8856).



git-svn-id: https://svn.hdfgroup.uiuc.edu/hdf5/trunk@25398 dab4d1a6-ed17-0410-a064-d1ae371a2980