Update freetype to 2.5.4.

third_party/freetype/include/ftsystem.h

Index: third_party/freetype/include/ftsystem.h
diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/include/freetype/ftsystem.h b/third_party/freetype/include/ftsystem.h
similarity index 97%
rename from core/src/fxge/fx_freetype/fxft2.5.01/include/freetype/ftsystem.h
rename to third_party/freetype/include/ftsystem.h
index 1e92390acabe7b0955c73a853a2ecb769a87e211..2c95cbbda30959c7c0553db7fb1b370475c5e2c3 100644
--- a/core/src/fxge/fx_freetype/fxft2.5.01/include/freetype/ftsystem.h
+++ b/third_party/freetype/include/ftsystem.h
@@ -20,7 +20,7 @@
 #define __FTSYSTEM_H__
 
 
-#include "../ft2build.h"
+#include <ft2build.h>
 
 
 FT_BEGIN_HEADER
@@ -89,12 +89,6 @@ FT_BEGIN_HEADER
   (*FT_Alloc_Func)( FT_Memory  memory,
                     long       size );
 
-  /* Sunliang.Liu 20100915 sync 221's revison. */
-  typedef void*
-	  (*FT_AllocDebug_Func)( FT_Memory  memory,
-	  long       size, const char* filename,  int line);
-
-
 
   /*************************************************************************
    *
@@ -178,7 +172,6 @@ FT_BEGIN_HEADER
   {
     void*            user;
     FT_Alloc_Func    alloc;
-	FT_AllocDebug_Func allocdebug;	/* Sunliang.Liu 20100915 sync 221's revison. */
     FT_Free_Func     free;
     FT_Realloc_Func  realloc;
   };
@@ -342,7 +335,6 @@ FT_BEGIN_HEADER
 
   } FT_StreamRec;
 
-
   /* */