Update freetype to 2.5.4.

third_party/freetype/src/base/ftstream.c

Index: third_party/freetype/src/base/ftstream.c
diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftstream.c b/third_party/freetype/src/base/ftstream.c
similarity index 99%
rename from core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftstream.c
rename to third_party/freetype/src/base/ftstream.c
index 8037506fa317142c45342d676d11772719da0c09..759fd8fc07a66508904ea78c56117b17cdcbe875 100644
--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftstream.c
+++ b/third_party/freetype/src/base/ftstream.c
@@ -16,9 +16,9 @@
 /***************************************************************************/
 
 
-#include "../../include/ft2build.h"
-#include "../../include/freetype/internal/ftstream.h"
-#include "../../include/freetype/internal/ftdebug.h"
+#include <ft2build.h>
+#include FT_INTERNAL_STREAM_H
+#include FT_INTERNAL_DEBUG_H
 
 
   /*************************************************************************/
@@ -728,9 +728,12 @@
     FT_Byte*  cursor;
 
 
-    if ( !fields || !stream )
+    if ( !fields )
       return FT_THROW( Invalid_Argument );
 
+    if ( !stream )
+      return FT_THROW( Invalid_Stream_Handle );
+
     cursor = stream->cursor;
 
     error = FT_Err_Ok;