* xterm.h (struct scroll_bar): Prefer int to Lisp_Object

* xterm.h (struct scroll_bar): Prefer int to Lisp_Object
for 'dragging' member.
* gtkutil.c (xg_set_toolkit_scroll_bar_thumb):
* xterm.c (xt_action_hook, xm_scroll_callback, xg_scroll_callback)
(xg_end_scroll_callback, xaw_jump_callback, xaw_scroll_callback)
(x_set_toolkit_scroll_bar_thumb, x_scroll_bar_create)
(x_scroll_bar_set_handle, XTset_vertical_scroll_bar)
(x_scroll_bar_handle_click, x_scroll_bar_note_movement)
(x_scroll_bar_report_motion): Related users changed.