[libdazzle] dock-bin: queue draw in size-allocate

[Christian Hergert <chergert src gnome org>]

commit ea0c63a54a282792ba4a02125eccaf3b34670624
Author: Christian Hergert <chergert redhat com>
Date:   Sun Dec 17 20:17:35 2017 -0800

    dock-bin: queue draw in size-allocate

 src/panel/dzl-dock-bin.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/panel/dzl-dock-bin.c b/src/panel/dzl-dock-bin.c
index 1e771a4..ebb4981 100644
--- a/src/panel/dzl-dock-bin.c
+++ b/src/panel/dzl-dock-bin.c
@@ -1054,6 +1054,8 @@ dzl_dock_bin_size_allocate (GtkWidget     *widget,
             gdk_window_hide (child->handle);
         }
     }
+
+  gtk_widget_queue_draw (GTK_WIDGET (self));
 }
 
 static void