[metacity] xrender: redraw screen after stack sync

[Alberts Muktupāvels <muktupavels src gnome org>]

commit d3ba3376556f6bfb069b02cd2c1469dd226a2caf
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Apr 27 15:26:52 2017 +0300

    xrender: redraw screen after stack sync

 src/compositor/meta-compositor-xrender.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/compositor/meta-compositor-xrender.c b/src/compositor/meta-compositor-xrender.c
index 3db7367..09a399d 100644
--- a/src/compositor/meta-compositor-xrender.c
+++ b/src/compositor/meta-compositor-xrender.c
@@ -2914,8 +2914,8 @@ meta_compositor_xrender_sync_stack (MetaCompositor *compositor,
     }
 
   xrender->windows = g_list_reverse (xrender->windows);
-  xrender->clip_changed = TRUE;
 
+  damage_screen (xrender);
   add_repair (xrender);
 }