winex11drv: Ignore mouse move events when position did not change only when other events are present.

server: Add primitive support for setting and getting the security descriptor of files based on their Unix permissions.

server: Add get_sd and set_sd object operations to allow the security descriptor to be stored somewhere other than server memory, such as on disk.

oleaut32: olepicture: When drawing metafiles set the coordinates system so that it is drawn in the correct place.