hdf5_ep

[svn-r9113] Purpose:
Update.

Description:
Make some minor change so that h5jamgentest.c is compatible with Windows.

Solution:
Change open() and write() functions to HDopen(), and HDwrite().

Platforms tested:
Windows 2000
Windows XP
eirene
(Note:  I talked with Bob and Kent about these changes before check-in)

Misc. update: