branch of Xwayland
* xwayland: fix segment fault in `xwl_glamor_gbm_init_main_dev`
* os: Explicitly include X11/Xmd.h for CARD32 definition to fix
building on i686
* present: On *BSD, epoll-shim is needed to emulate eventfd()
* xwayland: Stop on first unmapped child
* xwayland/window-buffers: Promote xwl_window_buffer
* xwayland/window-buffers: Add xwl_window_buffer_release()
* xwayland/glamor/gbm: Copy explicit sync code to GLAMOR/GBM
* xwayland/window-buffers: Use synchronization from GLAMOR/GBM
* xwayland/window-buffers: Do not always set syncpnts
* xwayland/window-buffers: Move code to submit pixmaps
* xwayland/window-buffers: Set syncpnts for all pixmaps
* xwayland: Move xwl_window disposal to its own function
* xwayland: Make sure we do not leak xwl_window on destroy
* wayland/window-buffers: Move buffer disposal to its own function
* xwayland/window-buffers: optionally force disposal
* wayland: Force disposal of windows buffers for root on destroy
* xwayland: Check for pointer in xwl_seat_leave_ptr()
* xwayland: remove includedir from pkgconfig
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/xwayland?expand=0&rev=84