/* Set a tooltip on the column */
column = gtk_tree_view_get_column (GTK_TREE_VIEW (tree_view), 0);
gtk_tree_view_column_set_clickable (column, TRUE);
- g_object_set (column->button, "tooltip-text", "Header", NULL);
+ g_object_set (gtk_tree_view_column_get_button (column), "tooltip-text", "Header", NULL);
gtk_box_pack_start (GTK_BOX (box), tree_view, FALSE, FALSE, 2);