Update freetype to 2.5.4.

third_party/freetype/src/smooth/ftgrays.h

 /***************************************************************************/
 /*                                                                         */
 /*  ftgrays.h                                                              */
 /*                                                                         */
 /*    FreeType smooth renderer declaration                                 */
 /*                                                                         */
 /*  Copyright 1996-2001 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 __FTGRAYS_H__
 #define __FTGRAYS_H__
 
 #ifdef __cplusplus
   extern "C" {
 #endif
 
 
 #ifdef _STANDALONE_
 #include "ftimage.h"
 #else
-#include "../../include/ft2build.h"
-#include "../../include/freetype/config/ftconfig.h" /* for FT_CONFIG_OPTION_PIC */
-#include "../../include/freetype/ftimage.h"
+#include <ft2build.h>
+#include FT_CONFIG_CONFIG_H /* for FT_CONFIG_OPTION_PIC */
+#include FT_IMAGE_H
 #endif
 
 
   /*************************************************************************/
   /*                                                                       */
   /* To make ftgrays.h independent from configuration files we check       */
   /* whether FT_EXPORT_VAR has been defined already.                       */
   /*                                                                       */
   /* On some systems and compilers (Win32 mostly), an extra keyword is     */
   /* necessary to compile the library as a DLL.                            */
   /*                                                                       */
 #ifndef FT_EXPORT_VAR
 #define FT_EXPORT_VAR( x )  extern  x
 #endif
 
   FT_EXPORT_VAR( const FT_Raster_Funcs )  ft_grays_raster;
 
 
 #ifdef __cplusplus
   }
 #endif
 
 #endif /* __FTGRAYS_H__ */
 
 
 /* END */