While the current path for condition variables will ultimately use futexes if
they are available, the path for address waits is vulnerable to several
spurious wakes, which can be obviated by using condition variables as futexes
directly.

This greatly improves performance for Path of Exile.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45524Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>