- gtk_box_set_spacing (GTK_BOX (dialog->vbox), 2); /* 2 * 5 + 2 = 12 */
- gtk_container_set_border_width (GTK_CONTAINER (dialog->action_area), 5);
- gtk_box_set_spacing (GTK_BOX (dialog->action_area), 6);
+ gtk_box_set_spacing (GTK_BOX (content_area), 2); /* 2 * 5 + 2 = 12 */
+ gtk_container_set_border_width (GTK_CONTAINER (action_area), 5);
+ gtk_box_set_spacing (GTK_BOX (action_area), 6);