Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/pfr/pfrerror.h

Index: third_party/freetype2/src/src/pfr/pfrerror.h
diff --git a/third_party/freetype2/src/src/pfr/pfrerror.h b/third_party/freetype2/src/src/pfr/pfrerror.h
new file mode 100644
index 0000000000000000000000000000000000000000..978e7b2d34c61284eef91bb8ce45d41e976f99d6
--- /dev/null
+++ b/third_party/freetype2/src/src/pfr/pfrerror.h
@@ -0,0 +1,41 @@
+/***************************************************************************/
+/*                                                                         */
+/*  pfrerror.h                                                             */
+/*                                                                         */
+/*    PFR error codes (specification only).                                */
+/*                                                                         */
+/*  Copyright 2002-2015 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.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* This file is used to define the PFR error enumeration constants.      */
+  /*                                                                       */
+  /*************************************************************************/
+
+#ifndef __PFRERROR_H__
+#define __PFRERROR_H__
+
+#include FT_MODULE_ERRORS_H
+
+#undef __FTERRORS_H__
+
+#undef  FT_ERR_PREFIX
+#define FT_ERR_PREFIX  PFR_Err_
+#define FT_ERR_BASE    FT_Mod_Err_PFR
+
+#include FT_ERRORS_H
+
+#endif /* __PFRERROR_H__ */
+
+
+/* END */