user32: make the edit tests pass on Vista.

[Reece Dunn]

On 24/01/2008, Reece Dunn <msclrhd at googlemail.com> wrote:
> This adds a return code value returned by Vista in one of the test
> cases to fix the uxtheme tests.
>
> - Reece

Ignore this (sent the wrong patch).

- Reece