adaint.c (__gnat_to_canonical_file_list_next): Use array initialization instead of const/none-const pointer assignment.

2011-05-25  Kai Tietz  <ktietz@redhat.com>

        * adaint.c (__gnat_to_canonical_file_list_next): Use array
        initialization instead of const/none-const pointer assignment.

From-SVN: r174185