vchoi_fork

[svn-r11286] Purpose:
bug fix

Description:
The set of h5diffdebugN macros that printed nothing did not have
the proper number of parameters.  Some compilers (gcc) did not
like it.

Solution:
Fixed them to have the matching number of parameters.

Platforms tested:
heping pp (using both mpich-icc and mpich-gcc), modi4 pp.