vchoi_fork

[svn-r1024] Purpose:
    Bug fix

Problem:
    When -with-hdf4 option is selected during configure,
    no machine type found for HDF4 header file hdfi.h.

Solution:
    Modify hdf5/config/linux file:
    -D__i386 to be added to CPPFLAGS.

Platform tested:
    linux(penfold)