From 287319564450211a88e313d99eb3381016ae8074 Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Sun, 2 Nov 2014 17:46:35 -0500
Subject: [PATCH] GtkHeaderBar: Fix a corner-case in child properties

The child property setting must be prepared to deal with any
child property for any child, even if it doesn't make sense,
like the pack-type for the custom title. This is happening
in glade when undoing a change in the custom-title property.
---
 gtk/gtkheaderbar.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gtk/gtkheaderbar.c b/gtk/gtkheaderbar.c
index 2dd8deeaf6..540a461df3 100644
--- a/gtk/gtkheaderbar.c
+++ b/gtk/gtkheaderbar.c
@@ -1650,6 +1650,9 @@ gtk_header_bar_set_child_property (GtkContainer *container,
   Child *child;
 
   l = find_child_link (bar, widget);
+  if (l == NULL)
+    return;
+
   child = l->data;
 
   switch (property_id)
-- 
2.30.2