Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/base/ftotval.c

Index: third_party/freetype2/src/src/base/ftotval.c
diff --git a/third_party/freetype2/src/src/base/ftotval.c b/third_party/freetype2/src/src/base/ftotval.c
new file mode 100644
index 0000000000000000000000000000000000000000..786457ba2afd9abf94746028bfd58a4757bee652
--- /dev/null
+++ b/third_party/freetype2/src/src/base/ftotval.c
@@ -0,0 +1,91 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ftotval.c                                                              */
+/*                                                                         */
+/*    FreeType API for validating OpenType tables (body).                  */
+/*                                                                         */
+/*  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.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+#include <ft2build.h>
+#include FT_INTERNAL_DEBUG_H
+
+#include FT_INTERNAL_OBJECTS_H
+#include FT_SERVICE_OPENTYPE_VALIDATE_H
+#include FT_OPENTYPE_VALIDATE_H
+
+
+  /* documentation is in ftotval.h */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_OpenType_Validate( FT_Face    face,
+                        FT_UInt    validation_flags,
+                        FT_Bytes  *BASE_table,
+                        FT_Bytes  *GDEF_table,
+                        FT_Bytes  *GPOS_table,
+                        FT_Bytes  *GSUB_table,
+                        FT_Bytes  *JSTF_table )
+  {
+    FT_Service_OTvalidate  service;
+    FT_Error               error;
+
+
+    if ( !face )
+    {
+      error = FT_THROW( Invalid_Face_Handle );
+      goto Exit;
+    }
+
+    if ( !( BASE_table &&
+            GDEF_table &&
+            GPOS_table &&
+            GSUB_table &&
+            JSTF_table ) )
+    {
+      error = FT_THROW( Invalid_Argument );
+      goto Exit;
+    }
+
+    FT_FACE_FIND_GLOBAL_SERVICE( face, service, OPENTYPE_VALIDATE );
+
+    if ( service )
+      error = service->validate( face,
+                                 validation_flags,
+                                 BASE_table,
+                                 GDEF_table,
+                                 GPOS_table,
+                                 GSUB_table,
+                                 JSTF_table );
+    else
+      error = FT_THROW( Unimplemented_Feature );
+
+  Exit:
+    return error;
+  }
+
+
+  FT_EXPORT_DEF( void )
+  FT_OpenType_Free( FT_Face   face,
+                    FT_Bytes  table )
+  {
+    FT_Memory  memory;
+
+
+    if ( !face )
+      return;
+
+    memory = FT_FACE_MEMORY( face );
+
+    FT_FREE( table );
+  }
+
+
+/* END */