re PR fortran/43899 (Wrong unused-variable warning with NAMELISTs)

re PR fortran/43899 (Wrong unused-variable warning with NAMELISTs)

2010-11-03  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/43899
	* runtime/error.c (generate_warning): New function to generate a run
	time warning message. Fix some whitespace.
	* libgfortran.h: Add prototype for new function.
	* io/list_read.c (nml_read_obj): Use new function to warn when a
	character namelist object is truncated.  Only warn if compiled
	with -fbounds-check.

From-SVN: r166252