UUID_DEFINED doesn't exist on Windows but it's needed by
wine because of the usage of some wine private headers.
And some older compilers can't handle the redefinition.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46892Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>