Pass the ref_node and unref_node calls through to the child model.

	* gtk/gtktreemodelsort.c: (gtk_tree_model_sort_ref_node),
	(gtk_tree_model_sort_unref_node): Pass the ref_node and
	unref_node calls through to the child model.

1 files changed, 10 insertions, 0 deletions

diff --git a/gtk/gtktreemodelsort.c b/gtk/gtktreemodelsort.c
index 50211a9a52..96d8bd6442 100644
--- a/gtk/gtktreemodelsort.c
+++ b/gtk/gtktreemodelsort.c
@@ -1091,6 +1091,7 @@ gtk_tree_model_sort_ref_node (GtkTreeModel *tree_model,
 			      GtkTreeIter  *iter)
 {
   GtkTreeModelSort *tree_model_sort = (GtkTreeModelSort *) tree_model;
+  GtkTreeIter child_iter;
   SortLevel *level;
   SortElt *elt;
 
@@ -1098,6 +1099,10 @@ gtk_tree_model_sort_ref_node (GtkTreeModel *tree_model,
   g_return_if_fail (GTK_TREE_MODEL_SORT (tree_model)->child_model != NULL);
   g_return_if_fail (GTK_TREE_MODEL_SORT (tree_model)->stamp == iter->stamp);
 
+  GET_CHILD_ITER (tree_model, &child_iter, iter);
+
+  gtk_tree_model_ref_node (GTK_TREE_MODEL_SORT (tree_model)->child_model, &child_iter);
+
   level = iter->user_data;
   elt = iter->user_data2;
 
@@ -1130,6 +1135,7 @@ gtk_tree_model_sort_unref_node (GtkTreeModel *tree_model,
 				GtkTreeIter  *iter)
 {
   GtkTreeModelSort *tree_model_sort = (GtkTreeModelSort *) tree_model;
+  GtkTreeIter child_iter;
   SortLevel *level;
   SortElt *elt;
 
@@ -1137,6 +1143,10 @@ gtk_tree_model_sort_unref_node (GtkTreeModel *tree_model,
   g_return_if_fail (GTK_TREE_MODEL_SORT (tree_model)->child_model != NULL);
   g_return_if_fail (GTK_TREE_MODEL_SORT (tree_model)->stamp == iter->stamp);
 
+  GET_CHILD_ITER (tree_model, &child_iter, iter);
+
+  gtk_tree_model_unref_node (GTK_TREE_MODEL_SORT (tree_model)->child_model, &child_iter);
+
   level = iter->user_data;
   elt = iter->user_data2;