(Fx_show_tip): Fix calls to make_number.

(Fx_show_tip): Fix calls to make_number.
	(x_set_font): If font hasn't changed, avoid recomputing
	faces and other things.
	(x_set_tool_bar_lines): Do nothing if frame is
	minibuffer-only,
	(Fx_create_frame): Add the tool bar height to the frame
	height.
	(x_create_tip_frame): Prevent changing the tooltip's
	background color by specifying a color for the default font
	in .Xdefaults.
	(Qcancel_timer): New variable.
	(syms_of_w32fns): Initialize and staticpro it.
	(Fx_hide_tip, Fx_show_tip): Use it.
	(Fx_show_tip): Make sure to set tip_timer to nil when canceling
	the timer.
	(toplevel): Lisp code for generating parts of syms_of_w32fns removed.
(Fx_show_tip): Fix calls to make_number.
	(x_set_font): If font hasn't changed, avoid recomputing
	faces and other things.
	(x_set_tool_bar_lines): Do nothing if frame is
	minibuffer-only,
	(Fx_create_frame): Add the tool bar height to the frame
	height.
	(x_create_tip_frame): Prevent changing the tooltip's
	background color by specifying a color for the default font
	in .Xdefaults.
	(Qcancel_timer): New variable.
	(syms_of_w32fns): Initialize and staticpro it.
	(Fx_hide_tip, Fx_show_tip): Use it.
	(Fx_show_tip): Make sure to set tip_timer to nil when canceling
	the timer.
	(toplevel): Lisp code for generating parts of syms_of_w32fns removed.