[libdazzle] multi-paned: queue resize after adding a child

[Christian Hergert <chergert src gnome org>]

commit 017c2af1cdb94e3ea7652127af1e669bee5076d6
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jun 22 00:44:38 2017 -0700

    multi-paned: queue resize after adding a child

 src/widgets/dzl-multi-paned.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/widgets/dzl-multi-paned.c b/src/widgets/dzl-multi-paned.c
index f6791d4..046ef70 100644
--- a/src/widgets/dzl-multi-paned.c
+++ b/src/widgets/dzl-multi-paned.c
@@ -562,6 +562,8 @@ dzl_multi_paned_add (GtkContainer *container,
   dzl_multi_paned_reset_positions (self);
 
   gtk_gesture_set_state (GTK_GESTURE (priv->gesture), GTK_EVENT_SEQUENCE_DENIED);
+
+  gtk_widget_queue_resize (GTK_WIDGET (self));
 }
 
 static void