Use an additional patch provided by Stefan Monnier that allows the user to
enable or disable arrows in scrollbars at runtime.
PR: ports/84748
Submitted by: Carlos A M dos Santos (casantos at urisan.tche.br)
% patch-ab is not necessary anymore because the bug is now fixed in
. the original source.
% post-configure (which was doing "make includes") is not necessary
. because xmkmf is now called with "-a". (Yeah, should have redefined
. XMKMF in Makefile in the first place....)