[1/2] user32: fix FindWindowEx behavior if window name is an empty charachter

[Dmitry Timoshkov]

Louis Lenders <xerox_xerox2000 at yahoo.co.uk> wrote:

> @@ -1756,6 +1756,10 @@ HWND WINAPI FindWindowExW( HWND parent, HWND child, LPCWSTR className, LPCWSTR t
>      {
>          while (list[i])
>          {
> +            /* Handle special case where empty title bar or no title bar exists, so GetWindowsText would return NULL
> +               but if title is also an empty char we still have a match */ 
> +            if (!GetWindowTextW( list[i], buffer, len + 1 ) && !title[0]) break;
> +
>              if (GetWindowTextW( list[i], buffer, len + 1 ) && !strcmpiW( buffer, title )) break;
>              i++;
>          }

It would be better to avoid duplicate GetWindowTextW() calls.

-- 
Dmitry.