Update freetype to 2.5.4.

third_party/freetype/include/ftbzip2.h

 /***************************************************************************/
 /*                                                                         */
 /*  ftbzip2.h                                                              */
 /*                                                                         */
 /*    Bzip2-compressed stream support.                                     */
 /*                                                                         */
 /*  Copyright 2010 by                                                      */
 /*  Joel Klinghed.                                                         */
 /*                                                                         */
 /*  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 __FTBZIP2_H__
 #define __FTBZIP2_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 50 matching lines @@
   *   compressed file, the library will try to open a bzip2 compressed stream
   *   from it and re-open the face with it.
   *
   *   This function may return `FT_Err_Unimplemented_Feature' if your build
   *   of FreeType was not compiled with bzip2 support.
   */
   FT_EXPORT( FT_Error )
   FT_Stream_OpenBzip2( FT_Stream  stream,
                        FT_Stream  source );
 
- /* */
+  /* */
 
 
 FT_END_HEADER
 
 #endif /* __FTBZIP2_H__ */
 
 
 /* END */