Fix for metafile test

[Ferenc Wagner]

"Dmitry Timoshkov" <dmitry at baikal.ru> writes:

> The question is what makes the tests create invisible
> windows? Does winetest run as a service on a not visible
> desktop? Anything else?

Winrash, which invokes winetest in most of the cases, is a
service process running on an invisible desktop.  Winetest
itself can happily run on the real visible desktop, it's
just people seldom run it that way (ie. directly).
-- 
Feri.