Invalidate cairo surface if resizing is not supported for target

While X11 surfaces can be resized, this is not the case for Quartz
surfaces.  Instead of resizing we will invalidate the surface instead.
By giving _gdk_windowing_set_cairo_surface_size() a boolean return
value, we can signal back whether or not resizing was possible.  If not
possible, we invalidate the surface.

gdk/win32/gdkdrawable-win32.c

@@ -670,12 +670,13 @@ gdk_win32_ref_cairo_surface (GdkDrawable *drawable)
   return impl->cairo_surface;
 }
 
-void
+gboolean
 _gdk_windowing_set_cairo_surface_size (cairo_surface_t *surface,
 				       gint width,
 				       gint height)
 {
   // Do nothing.  The surface size is determined by the DC
+  return FALSE;
 }
 
 static gint