re PR libfortran/45323 (warnings compiling libgfortran/io/write.c: array subscript has type 'char')

2010-08-23  Tobias Burnus  <burnus@net-b.de>

        PR fortran/45323
        * io/write.c (nml_write_obj, namelist_write): Cast argument
        of toupper to int.

From-SVN: r163469