[cairo] Patch for 1.8

[Behdad Esfahbod]

Adam Jackson pushed the following patch into Fedora a while ago.  I think we 
already do the right thing with 1.9, right?



Enable the repeat and pad blend modes in the xlib backend to make firefox 
performance slightly less dire.

diff -up cairo-1.8.6/src/cairo-xlib-surface.c.jx 
cairo-1.8.6/src/cairo-xlib-surface.c
--- cairo-1.8.6/src/cairo-xlib-surface.c.jx	2008-12-12 07:48:05.00 -0500
+++ cairo-1.8.6/src/cairo-xlib-surface.c	2009-04-08 15:06:25.00 -0400
@@ -1425,7 +1425,11 @@ _cairo_xlib_surface_set_attributes (cair
  	_cairo_xlib_surface_set_repeat (surface, RepeatNormal);
  	break;
      case CAIRO_EXTEND_REFLECT:
+	_cairo_xlib_surface_set_repeat (surface, RepeatReflect);
+	break;
      case CAIRO_EXTEND_PAD:
+	_cairo_xlib_surface_set_repeat (surface, RepeatPad);
+	break;
      default:
  	return CAIRO_INT_STATUS_UNSUPPORTED;
      }