[gtk+/gtk-2-24] GtkFileChooser: avoid a memory leak

[Matthias Clasen <matthiasc src gnome org>]

commit 4f47aa6ef5fe4796635e2c211831c78e76cb2240
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Dec 1 17:13:01 2013 -0500

    GtkFileChooser: avoid a memory leak
    
    The directory enumeration code was leaking references to
    GtkFolder objects.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=705367

 gtk/gtkfilesystem.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkfilesystem.c b/gtk/gtkfilesystem.c
index 40a2aae..d0ec4b4 100644
--- a/gtk/gtkfilesystem.c
+++ b/gtk/gtkfilesystem.c
@@ -863,6 +863,9 @@ enumerate_children_callback (GObject      *source_object,
 
   free_async_data (async_data);
 
+  if (folder)
+    g_object_unref (folder);
+
   if (error)
     g_error_free (error);
 }