Fix DTS Master Audio Suite save file button can not be clicked. The application queries for Vista+
Menu class because Wine's default system version is set to Windows 7.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52667Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>