https://bugs.winehq.org/show_bug.cgi?id=34262
--- Comment #2 from David Heidelberger (okias) david.heidelberger@ixit.cz --- RFC patch here [1].
It get rid of warnings, not sure about patch correctness.
[1] https://www.winehq.org/pipermail/wine-patches/2014-October/135104.html