[glade] Fix bug 686418 - crashes related to setting 'can-focus' property in the runtime.

[Tristan Van Berkom <tvb src gnome org>]

commit 020fc3b35022246566384ada6badcd62e89fcad8
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Sun May 19 20:31:25 2013 +0900

    Fix bug 686418 - crashes related to setting 'can-focus' property in the runtime.
    
    Not sure how this fixes things, we're probably taping over a deeper bug
    inside GTK+.

 plugins/gtk+/glade-gtk-widget.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/plugins/gtk+/glade-gtk-widget.c b/plugins/gtk+/glade-gtk-widget.c
index e97e6f2..e094083 100644
--- a/plugins/gtk+/glade-gtk-widget.c
+++ b/plugins/gtk+/glade-gtk-widget.c
@@ -729,6 +729,10 @@ glade_gtk_widget_set_property (GladeWidgetAdaptor * adaptor,
       id = "tooltip-text";
     }
 
+  /* Setting can-focus in the runtime has been known to cause crashes */
+  if (!strcmp (id, "can-focus"))
+    return;
+
   GWA_GET_CLASS (G_TYPE_OBJECT)->set_property (adaptor, object, id, value);
 }