[gtk+/gtk-2-24] Cherry-pick e709c965a4d9d48c8007905de7e715bc7fef728f - don't leak queried file info

[Federico Mena Quintero <federico src gnome org>]

commit 191d1cd90f1da4c515709e1111b9cf6047708713
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Mar 8 22:10:26 2016 -0600

    Cherry-pick e709c965a4d9d48c8007905de7e715bc7fef728f - don't leak queried file info

 gtk/gtkfilechooserdefault.c |    2 ++
 gtk/gtkfilesystemmodel.c    |    2 ++
 2 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkfilechooserdefault.c b/gtk/gtkfilechooserdefault.c
index 33fa73f..db097d4 100644
--- a/gtk/gtkfilechooserdefault.c
+++ b/gtk/gtkfilechooserdefault.c
@@ -6665,6 +6665,7 @@ file_system_model_got_thumbnail (GObject *object, GAsyncResult *res, gpointer da
   /* file was deleted */
   if (!_gtk_file_system_model_get_iter_for_file (model, &iter, file))
     {
+      g_object_unref (queried);
       GDK_THREADS_LEAVE ();
       return;
     }
@@ -6678,6 +6679,7 @@ file_system_model_got_thumbnail (GObject *object, GAsyncResult *res, gpointer da
   _gtk_file_system_model_update_file (model, file, info);
 
   g_object_unref (info);
+  g_object_unref (queried);
 
   GDK_THREADS_LEAVE ();
 }
diff --git a/gtk/gtkfilesystemmodel.c b/gtk/gtkfilesystemmodel.c
index 7ff1e34..88d7eae 100644
--- a/gtk/gtkfilesystemmodel.c
+++ b/gtk/gtkfilesystemmodel.c
@@ -1231,6 +1231,8 @@ gtk_file_system_model_query_done (GObject *     object,
   id = node_get_for_file (model, file);
   gtk_file_system_model_sort_node (model, id);
 
+  g_object_unref (info);
+
   gdk_threads_leave ();
 }