Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/otvalid/otvalid.c

Index: third_party/freetype2/src/src/otvalid/otvalid.c
diff --git a/third_party/freetype2/src/src/otvalid/otvalid.c b/third_party/freetype2/src/src/otvalid/otvalid.c
new file mode 100644
index 0000000000000000000000000000000000000000..ca597d707c633c8f9330d3d06a51f552ef6450aa
--- /dev/null
+++ b/third_party/freetype2/src/src/otvalid/otvalid.c
@@ -0,0 +1,31 @@
+/***************************************************************************/
+/*                                                                         */
+/*  otvalid.c                                                              */
+/*                                                                         */
+/*    FreeType validator for OpenType tables (body only).                  */
+/*                                                                         */
+/*  Copyright 2004-2015 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.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+#define FT_MAKE_OPTION_SINGLE_OBJECT
+
+#include <ft2build.h>
+
+#include "otvbase.c"
+#include "otvcommn.c"
+#include "otvgdef.c"
+#include "otvgpos.c"
+#include "otvgsub.c"
+#include "otvjstf.c"
+#include "otvmath.c"
+#include "otvmod.c"
+
+/* END */