Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/otvalid/otvalid.h

Index: third_party/freetype2/src/src/otvalid/otvalid.h
diff --git a/third_party/freetype2/src/src/otvalid/otvalid.h b/third_party/freetype2/src/src/otvalid/otvalid.h
new file mode 100644
index 0000000000000000000000000000000000000000..3475deb7a2bbae9c4367cdb8988f9d39144869cb
--- /dev/null
+++ b/third_party/freetype2/src/src/otvalid/otvalid.h
@@ -0,0 +1,78 @@
+/***************************************************************************/
+/*                                                                         */
+/*  otvalid.h                                                              */
+/*                                                                         */
+/*    OpenType table validation (specification 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.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+#ifndef __OTVALID_H__
+#define __OTVALID_H__
+
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+#include "otverror.h"           /* must come before FT_INTERNAL_VALIDATE_H */
+
+#include FT_INTERNAL_VALIDATE_H
+#include FT_INTERNAL_STREAM_H
+
+
+FT_BEGIN_HEADER
+
+
+  FT_LOCAL( void )
+  otv_BASE_validate( FT_Bytes      table,
+                     FT_Validator  valid );
+
+  /* GSUB and GPOS tables should already be validated; */
+  /* if missing, set corresponding argument to 0       */
+  FT_LOCAL( void )
+  otv_GDEF_validate( FT_Bytes      table,
+                     FT_Bytes      gsub,
+                     FT_Bytes      gpos,
+                     FT_UInt       glyph_count,
+                     FT_Validator  valid );
+
+  FT_LOCAL( void )
+  otv_GPOS_validate( FT_Bytes      table,
+                     FT_UInt       glyph_count,
+                     FT_Validator  valid );
+
+  FT_LOCAL( void )
+  otv_GSUB_validate( FT_Bytes      table,
+                     FT_UInt       glyph_count,
+                     FT_Validator  valid );
+
+  /* GSUB and GPOS tables should already be validated; */
+  /* if missing, set corresponding argument to 0       */
+  FT_LOCAL( void )
+  otv_JSTF_validate( FT_Bytes      table,
+                     FT_Bytes      gsub,
+                     FT_Bytes      gpos,
+                     FT_UInt       glyph_count,
+                     FT_Validator  valid );
+
+  FT_LOCAL( void )
+  otv_MATH_validate( FT_Bytes      table,
+                     FT_UInt       glyph_count,
+                     FT_Validator  ftvalid );
+
+
+FT_END_HEADER
+
+#endif /* __OTVALID_H__ */
+
+
+/* END */