[gtk+/gtk-3-2] Fix first part of bug 659022

[Kristian Rietveld <kristian src gnome org>]

commit 51b11b36a4179a4811affdf5c15b245a842525f0
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);