gtk_tree_model_get (new_model, tree_iter,
TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &header, -1);
uid = modest_tny_folder_get_header_unique_id(header);
gtk_tree_model_get (new_model, tree_iter,
TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &header, -1);
uid = modest_tny_folder_get_header_unique_id(header);