[gtk+] Plug a small memory leak

[Matthias Clasen <matthiasc src gnome org>]

commit 8ff40b5d149b041aae324e8cc4dff64a26bd09eb
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Feb 26 15:50:08 2016 -0500

    Plug a small memory leak

 testsuite/gtk/rbtree.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/testsuite/gtk/rbtree.c b/testsuite/gtk/rbtree.c
index d73d862..721a97a 100644
--- a/testsuite/gtk/rbtree.c
+++ b/testsuite/gtk/rbtree.c
@@ -505,6 +505,8 @@ test_reorder (void)
   g_assert (i == n);
 
   _gtk_rbtree_free (tree);
+
+  g_free (reorder);
 }
 
 int