* modules/engines/ms-windows/msw_style.c (setup_msw_rc_style):
	Experimentally, scrollbar steppers can shrink to 8 pixels on
	Win32. Reflect that in the theme.
	* modules/engines/ms-windows/Theme/gtk-2.0/gtkrc: Experimentally,
	there is a 1-pixel border between a scrollbar and its child
	in ScrolledWindows on Win32. Reflect that in the theme.