kernel32: Add partial stub for NeedCurrentDirectoryForExePath

[Kirill K. Smirnov]

> +    if (strchrW(name, '\\'))
> +        return TRUE;
> What is the point of this?  You're returning TRUE no matter what anyway.
> +    FIXME("(%s): stub!\n", debugstr_w(name));
> +    return TRUE;

ancient patch in attach, sorry.