macos: maintain GList element consistency

We need to keep this consistent so that we can look things up
faster in other places. Therefore, just take the hit here and clear
the entire list ensuring prev/next poniters are cleared.

diff --git a/gdk/macos/gdkmacosdisplay.c b/gdk/macos/gdkmacosdisplay.c
index 9772059bcfa02f3298dea9f641918e8c75c21ec2..37532fd07953398f8f80be610ab4dd7f43803e7f 100644 (file)
--- a/gdk/macos/gdkmacosdisplay.c
+++ b/gdk/macos/gdkmacosdisplay.c
@@ -1056,9 +1056,8 @@ _gdk_macos_display_clear_sorting (GdkMacosDisplay *self)
 {
   g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
 
-  self->sorted_surfaces.head = NULL;
-  self->sorted_surfaces.tail = NULL;
-  self->sorted_surfaces.length = 0;
+  while (self->sorted_surfaces.head != NULL)
+    g_queue_unlink (&self->sorted_surfaces, self->sorted_surfaces.head);
 }
 
 const GList *