Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/type1/t1driver.h

Index: third_party/freetype2/src/src/type1/t1driver.h
diff --git a/third_party/freetype2/src/src/type1/t1driver.h b/third_party/freetype2/src/src/type1/t1driver.h
new file mode 100644
index 0000000000000000000000000000000000000000..34bcf81ccf394c43a78581c6a19286d3d32e4429
--- /dev/null
+++ b/third_party/freetype2/src/src/type1/t1driver.h
@@ -0,0 +1,42 @@
+/***************************************************************************/
+/*                                                                         */
+/*  t1driver.h                                                             */
+/*                                                                         */
+/*    High-level Type 1 driver interface (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 __T1DRIVER_H__
+#define __T1DRIVER_H__
+
+
+#include <ft2build.h>
+#include FT_INTERNAL_DRIVER_H
+
+
+FT_BEGIN_HEADER
+
+#ifdef FT_CONFIG_OPTION_PIC
+#error "this module does not support PIC yet"
+#endif
+
+
+  FT_EXPORT_VAR( const FT_Driver_ClassRec )  t1_driver_class;
+
+
+FT_END_HEADER
+
+#endif /* __T1DRIVER_H__ */
+
+
+/* END */