hdf5_ep

[svn-r6572] Purpose:
bug fix.

Description:
It checked on the CVSROOT setting even when no cvs is needed.

Solution:
Moved the verification inside the checkout code so that the
CVS settings are checked when it is needed.

Platforms tested:
Eirene--this is invoked by bin/runtest.  Platform tests do not
apply here.

Misc. update: