iconview: Fix a problem with the previous change

After commit ffef28a7e8d5ffef7de6a3baccb30b0021b6b0ff,
gtk-icon-browser was spewing critical warnings when
changing sections. Avoid that by respecting the return
value of gtk_tree_model_get_iter.

diff --git a/gtk/gtkiconview.c b/gtk/gtkiconview.c
index 86be6f8c420be2847b04f006711e5409ba87c62e..0a7ed4be88b81431a88f749d125312061a9d8a30 100644 (file)
--- a/gtk/gtkiconview.c
+++ b/gtk/gtkiconview.c
@@ -3314,8 +3314,8 @@ gtk_icon_view_row_deleted (GtkTreeModel *model,
   if (gtk_tree_path_get_depth (path) > 1)
     return;
 
-  gtk_tree_model_get_iter (model, &iter, path);
-  gtk_tree_model_unref_node (model, &iter);
+  if (gtk_tree_model_get_iter (model, &iter, path))
+    gtk_tree_model_unref_node (model, &iter);
 
   index = gtk_tree_path_get_indices(path)[0];