[gtk+] Fix first part of bug 659022

[Kristian Rietveld <kristian src gnome org>]

commit f646ed6f766cda7da8a223824eb6233a7b67e347
Author: Kristian Rietveld <kris gtk org>
Date:   Mon Oct 3 21:35:21 2011 +0200

    Fix first part of bug 659022
    
    Push creation of path into if clause, the path cannot be created anyway
    (and would be meaningless otherwise) if the parent is not visible.

 gtk/gtktreemodelfilter.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/gtk/gtktreemodelfilter.c b/gtk/gtktreemodelfilter.c
index 9c81d68..e5e4955 100644
--- a/gtk/gtktreemodelfilter.c
+++ b/gtk/gtktreemodelfilter.c
@@ -2073,17 +2073,17 @@ gtk_tree_model_filter_row_changed (GtkTreeModel *c_model,
 
   if (current_state == TRUE && requested_state == TRUE)
     {
-      /* propagate the signal; also get a path taking only visible
-       * nodes into account.
-       */
-      gtk_tree_path_free (path);
-      path = gtk_tree_model_get_path (GTK_TREE_MODEL (filter), &iter);
-
       level = FILTER_LEVEL (iter.user_data);
       elt = FILTER_ELT (iter.user_data2);
 
       if (gtk_tree_model_filter_elt_is_visible_in_target (level, elt))
         {
+          /* propagate the signal; also get a path taking only visible
+           * nodes into account.
+           */
+          gtk_tree_path_free (path);
+          path = gtk_tree_model_get_path (GTK_TREE_MODEL (filter), &iter);
+
           if (level->ext_ref_count > 0)
             gtk_tree_model_row_changed (GTK_TREE_MODEL (filter), path, &iter);