[gtk: 3/3] Merge branch 'wip/sync-pre-swap-buffers' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit 877b48579ea3f4f780a44693526df4404da5bdfa
Merge: 39851fbdbf 7e102f8879
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Mar 21 11:40:55 2018 +0000

    Merge branch 'wip/sync-pre-swap-buffers' into 'master'
    
    Synchronize wl_surface state before wl_surface_commit
    
    See merge request GNOME/gtk!75

 gdk/wayland/gdkglcontext-wayland.c     | 4 ++--
 gdk/wayland/gdkvulkancontext-wayland.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)
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