[gtk+] Revert "wayland: fix filechooser crash"

[Matthias Clasen <matthiasc src gnome org>]

commit 44e1c19b42c3fd760d7857da19701941f840fb00
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Aug 23 10:40:12 2017 -0400

    Revert "wayland: fix filechooser crash"
    
    This reverts commit bd033165e52469845ac6f69c4fa9ac9b897f9bcc.
    
    The function already had an early exit, no need for this check.

 gdk/wayland/gdkwindow-wayland.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index 3da3a9d..1b01534 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -1177,8 +1177,7 @@ gdk_wayland_window_sync_opaque_region (GdkWindow *window)
     wl_region = wl_region_from_cairo_region (GDK_WAYLAND_DISPLAY (gdk_window_get_display (window)),
                                              impl->opaque_region);
 
-  if (impl->display_server.wl_surface)
-    wl_surface_set_opaque_region (impl->display_server.wl_surface, wl_region);
+  wl_surface_set_opaque_region (impl->display_server.wl_surface, wl_region);
 
   if (wl_region != NULL)
     wl_region_destroy (wl_region);