Re: d3dx9/tests: Fix comparison that expects NAN, since NAN != NAN.

[Alexandre Julliard]

Dylan Smith  writes:
> @@ -4834,7 +4834,7 @@ static void test_create_skin_info(void)
>              for (i = 0; i < num_influences; i++) {
>                  ok(exp_vertices[i] == vertices[i],
>                     "influence[%d]: expected vertex %u, got %u\n", i, exp_vertices[i], vertices[i]);
> -
>            ok(exp_weights[i] == weights[i],
> -
>            ok((isnan(exp_weights[i]) && isnan(weights[i])) || exp_weights[i] == weights[i],

I put this in for now to fix the tests, but isnan() isn't really
portable, we should try to find a better way.