vchoi_fork

[svn-r10944] Purpose:
Bug fix

Description:
tid.c is a test for user-defined hid_t's.  It should be part of the
testhdf5 tests, but was not being run.
It also had a couple of minor bugs.

Solution:
Added id test to testhdf5 and fixed bugs.

Platforms tested:
mir, sleipnir, modi4