winetest: Add SystemDefaultUILanguage setting to OS info.

[Akihiro Sagawa]

On Sun, 21 Jun 2015 14:15:15 +0900, Akihiro Sagawa wrote:
> Some of testbots have a different value as expected. And, a certain GDI
> function seems to be affected by this setting. So, it's worth to be
> logging.
> ---
>  programs/winetest/main.c | 1 +
>  1 file changed, 1 insertion(+)

Please ignore this patch.  I confirmed SystemDefaultUILanguage doesn't
affect GDI functions.

Akihiro Sagawa