Update freetype to latest version of ASOP.

src/cff/cfftypes.h

Index: src/cff/cfftypes.h
diff --git a/src/cff/cfftypes.h b/src/cff/cfftypes.h
index 7c99036b50f1a70e3918fcdabd3d09e960f0059c..87274466644eb3c5f709c665c807d93a633ef116 100644
--- a/src/cff/cfftypes.h
+++ b/src/cff/cfftypes.h
@@ -5,7 +5,7 @@
 /*    Basic OpenType/CFF type definitions and interface (specification     */
 /*    only).                                                               */
 /*                                                                         */
-/*  Copyright 1996-2003, 2006-2008, 2010-2011 by                           */
+/*  Copyright 1996-2003, 2006-2008, 2010-2011, 2013 by                     */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -270,6 +270,9 @@ FT_BEGIN_HEADER
     FT_String*       registry;
     FT_String*       ordering;
 
+    /* since version 2.4.12 */
+    FT_Generic       cf2_instance;
+
   } CFF_FontRec, *CFF_Font;