[gtk+] treemodelfilter: bgo#658696- Crash when inserting new node

[Kristian Rietveld <kristian src gnome org>]

commit 35eb92138a370f29b57bd223ca012c34d3a6473c
Author: SÃbastien Granjoux <seb sfo free fr>
Date:   Sat Sep 10 10:32:16 2011 +0200

    treemodelfilter: bgo#658696- Crash when inserting new node

 gtk/gtktreemodelfilter.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktreemodelfilter.c b/gtk/gtktreemodelfilter.c
index d88702c..b401a0d 100644
--- a/gtk/gtktreemodelfilter.c
+++ b/gtk/gtktreemodelfilter.c
@@ -2279,7 +2279,8 @@ gtk_tree_model_filter_row_inserted (GtkTreeModel *c_model,
     }
 
 done:
-  gtk_tree_model_filter_check_ancestors (filter, real_path);
+  if (real_path)
+    gtk_tree_model_filter_check_ancestors (filter, real_path);
 
   if (emit_row_inserted)
     gtk_tree_model_filter_emit_row_inserted_for_path (filter, c_model,