Convert diagnostics to use quoting flag q 6/n
        * pt.c (finish_member_template_decl,
        check_specialization_scope,
        maybe_process_partial_specialization,
        determine_specialization,
        check_explicit_specialization, maybe_check_template_type,
        process_partial_specialization, check_default_tmpl_args,
        push_template_decl_real, redeclare_class_template,
        convert_nontype_argument, coerce_template_parms,
        lookup_template_class, push_tinst_level,
        instantiate_class_template, tsubst_arg_types,
        tsubst_function_type, tsubst, tsubst_qualified_id,
        tsubst_copy_and_build, check_instantiated_args,
        do_decl_instantiation, do_type_instantiation,
        invalid_nontype_parm_type_p, check_specialization_namespace,
        convert_template_argument, determine_specialization,
        check_template_shadow, tsubst_decl
        instantiate_pending_templates): Use quoting marks.

From-SVN: r88573