Update freetype to 2.5.4.

third_party/freetype/include/ftpfr.h

 /***************************************************************************/
 /*                                                                         */
 /*  ftpfr.h                                                                */
 /*                                                                         */
 /*    FreeType API for accessing PFR-specific data (specification only).   */
 /*                                                                         */
 /*  Copyright 2002, 2003, 2004, 2006, 2008, 2009 by                        */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
 /*  modified, and distributed under the terms of the FreeType project      */
 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
 /*  this file you indicate that you have read the license and              */
 /*  understand and accept it fully.                                        */
 /*                                                                         */
 /***************************************************************************/
 
 
 #ifndef __FTPFR_H__
 #define __FTPFR_H__
 
-#include "../ft2build.h"
-#include "freetype.h"
+#include <ft2build.h>
+#include FT_FREETYPE_H
 
 #ifdef FREETYPE_H
 #error "freetype.h of FreeType 1 has been loaded!"
 #error "Please fix the directory search order for header files"
 #error "so that freetype.h of FreeType 2 is found first."
 #endif
 
 
 FT_BEGIN_HEADER
 
@@ skipping 120 matching lines @@
   *
   * @note:
   *    You can use the `x_scale' or `y_scale' results of @FT_Get_PFR_Metrics
   *    to convert the advance to device sub-pixels (i.e., 1/64th of pixels).
   */
   FT_EXPORT( FT_Error )
   FT_Get_PFR_Advance( FT_Face   face,
                       FT_UInt   gindex,
                       FT_Pos   *aadvance );
 
- /* */
+  /* */
 
 
 FT_END_HEADER
 
 #endif /* __FTPFR_H__ */
 
 
 /* END */