[gtk+] GtkModelMenuItem: don't leak a GVariant

[Ryan Lortie <ryanl src gnome org>]

commit 2e64177e3f48cce54b165db36e07a0f7caaacee3
Author: Ryan Lortie <desrt desrt ca>
Date:   Thu Dec 1 22:59:27 2011 -0500

    GtkModelMenuItem: don't leak a GVariant

 gtk/gtkmodelmenuitem.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkmodelmenuitem.c b/gtk/gtkmodelmenuitem.c
index 082f5b8..08a3ac1 100644
--- a/gtk/gtkmodelmenuitem.c
+++ b/gtk/gtkmodelmenuitem.c
@@ -230,6 +230,9 @@ gtk_model_menu_item_setup (GtkModelMenuItem  *item,
 
       else
         gtk_widget_set_sensitive (GTK_WIDGET (item), FALSE);
+
+      if (state != NULL)
+        g_variant_unref (state);
     }
 }