cmd: add support for todo_wine constructions in testing infrastructure

[Jacek Caban]

Hi Frédéric,

On 06/12/11 23:01, Frédéric Delanoy wrote:
> -
> +        is_todo_wine = is_todo_wine_line(exp_ptr, exp_nl);
> +

There is no need to add such logic directly to test_output, this can be
returned from comare_line.

Jacek