x11: Update surface size for popups too

Without this, the back buffers of the wrong size
keep being used, causing flickery misdraws, as
seen when expanding the expander in the popover
in widget-factory.

diff --git a/gdk/x11/gdksurface-x11.c b/gdk/x11/gdksurface-x11.c
index b9e122a91a4cf4cf647b79d90d92098017742e42..9a1b71698e80c8a40c6468e89386e969d3332da3 100644 (file)
--- a/gdk/x11/gdksurface-x11.c
+++ b/gdk/x11/gdksurface-x11.c
@@ -1319,6 +1319,7 @@ x11_surface_resize (GdkSurface *surface,
       impl->unscaled_height = height * impl->surface_scale;
       surface->width = width;
       surface->height = height;
+      _gdk_surface_update_size (surface);
       _gdk_x11_surface_update_size (GDK_X11_SURFACE (surface));
     }
   else