re PR libfortran/33672 (Additional runtime checks needed for namelist reads)

re PR libfortran/33672 (Additional runtime checks needed for namelist reads)

2007-10-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33672
	* io/list_read.c (nml_parse_qualifier): Add character specific error
	messages.  Check for proper form of sub-string qualifiers.  Return the
	parsed_rank flag indicating a non-zero rank qualifier.
	(nml_get_obj_data):  Count the instances of non-zero rank qualifiers.
	Issue an error if more that one non-zero rank qualifier is found.

From-SVN: r129309