[california] Fixed regression intro'd in last commit

[Jim Nelson <jnelson src gnome org>]

commit ee8ef1a0c1f2696a1e1565f30f12e87c5a256fec
Author: Jim Nelson <jim yorba org>
Date:   Tue Apr 15 16:37:13 2014 -0700

    Fixed regression intro'd in last commit

 src/toolkit/toolkit-listbox-model.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/toolkit/toolkit-listbox-model.vala b/src/toolkit/toolkit-listbox-model.vala
index 6c46b74..7fc29a5 100644
--- a/src/toolkit/toolkit-listbox-model.vala
+++ b/src/toolkit/toolkit-listbox-model.vala
@@ -117,7 +117,7 @@ public class ListBoxModel<G> : BaseObject {
         MutableWidget? mutable = widget as MutableWidget;
         if (mutable != null)
             mutable.mutated.connect(() => { row.changed(); });
-        row.add(mutable);
+        row.add(widget);
         
         // mappings
         row.set_data<G>(KEY, item);