Convert diagnostics to use quoting flag q 9/n
        * typeck.c (build_x_unary_op, convert_member_func_to_ptr,
        get_delta_difference):  Use new quotation style.
        * repo.c (reopen_repo_file_for_write): Likewise.
        * pt.c (do_type_instantiation): Likewise.
        * parser.c (cp_parser_diagnose_invalid_type_name):
        * name-lookup.c (push_overloaded_decl, set_decl_namespace):
        * error.c (cp_print_error_function,
        print_instantiation_full_context): Likewise.
        * decl.c (define_label, grok_reference_init,
        maybe_deduce_size_from_array_init, revert_static_member_fn):
        * decl2.c (check_classfn): Likewise.
        * class.c (add_method, check_field_decls, layout_class_type,
        resolve_address_of_overloaded_function): Likewise.
        * call.c (build_x_va_arg, build_over_call): Likewise.

From-SVN: r89938