Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/pfr/pfrsbit.h

Index: third_party/freetype2/src/src/pfr/pfrsbit.h
diff --git a/third_party/freetype2/src/src/pfr/pfrsbit.h b/third_party/freetype2/src/src/pfr/pfrsbit.h
new file mode 100644
index 0000000000000000000000000000000000000000..0db2cd5ebd9308168c73417d41b349454eeafb54
--- /dev/null
+++ b/third_party/freetype2/src/src/pfr/pfrsbit.h
@@ -0,0 +1,36 @@
+/***************************************************************************/
+/*                                                                         */
+/*  pfrsbit.h                                                              */
+/*                                                                         */
+/*    FreeType PFR bitmap loader (specification).                          */
+/*                                                                         */
+/*  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.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+#ifndef __PFRSBIT_H__
+#define __PFRSBIT_H__
+
+#include "pfrobjs.h"
+
+FT_BEGIN_HEADER
+
+  FT_LOCAL( FT_Error )
+  pfr_slot_load_bitmap( PFR_Slot  glyph,
+                        PFR_Size  size,
+                        FT_UInt   glyph_index );
+
+FT_END_HEADER
+
+#endif /* __PFR_SBIT_H__ */
+
+
+/* END */