[gtk+/gtk-2-24-quartz] Bug 662633 - Scheduled transaction editor crashes with gtk+-2.24.7

[John Ralls <jralls src gnome org>]

commit d152de79ce8624ea446920e9206d082969deac3d
Author: Michael Natterer <mitch gimp org>
Date:   Wed Nov 2 20:27:39 2011 +0100

    Bug 662633 - Scheduled transaction editor crashes with gtk+-2.24.7
    
    Fix commit a516d2359c9eac84bfa4682a70a62315adedb1d6: check if
    priv->arrow_button exists in forall().

 gtk/gtktoolbar.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktoolbar.c b/gtk/gtktoolbar.c
index edeab88..b2c4b15 100644
--- a/gtk/gtktoolbar.c
+++ b/gtk/gtktoolbar.c
@@ -2532,7 +2532,7 @@ gtk_toolbar_forall (GtkContainer *container,
       list = next;
     }
   
-  if (include_internals)
+  if (include_internals && priv->arrow_button)
     callback (priv->arrow_button, callback_data);
 }