GitLab

(xt_action_hook): Call set_vertical_scroll_bar if needed.
(XM_SB_MIN, XM_SB_RANGE): Remove (min is now set to 0).
(xm_scroll_callback, x_create_toolkit_scroll_bar)
(x_set_toolkit_scroll_bar_thumb): Simplify.
(x_scroll_bar_expose): Only compile if !USE_TOOLKIT_SCROLL_BARS.
(XTread_socket): Remove unused var.
(x_make_frame_invisible): Replace goto with else.