Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/raster/ftraster.h

Index: third_party/freetype2/src/src/raster/ftraster.h
diff --git a/third_party/freetype2/src/src/raster/ftraster.h b/third_party/freetype2/src/src/raster/ftraster.h
new file mode 100644
index 0000000000000000000000000000000000000000..a270d487b9376315390e9f72152772f1d263ac63
--- /dev/null
+++ b/third_party/freetype2/src/src/raster/ftraster.h
@@ -0,0 +1,46 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ftraster.h                                                             */
+/*                                                                         */
+/*    The FreeType glyph rasterizer (specification).                       */
+/*                                                                         */
+/*  Copyright 1996-2015 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 __FTRASTER_H__
+#define __FTRASTER_H__
+
+
+#include <ft2build.h>
+#include FT_CONFIG_CONFIG_H
+#include FT_IMAGE_H
+
+
+FT_BEGIN_HEADER
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* Uncomment the following line if you are using ftraster.c as a         */
+  /* standalone module, fully independent of FreeType.                     */
+  /*                                                                       */
+/* #define _STANDALONE_ */
+
+  FT_EXPORT_VAR( const FT_Raster_Funcs )  ft_standard_raster;
+
+
+FT_END_HEADER
+
+#endif /* __FTRASTER_H__ */
+
+
+/* END */