Update bundled freetype to 2.6.1

third_party/freetype/include/freetype/ftsynth.h

Index: third_party/freetype/include/freetype/ftsynth.h
diff --git a/third_party/freetype/include/ftsynth.h b/third_party/freetype/include/freetype/ftsynth.h
similarity index 91%
rename from third_party/freetype/include/ftsynth.h
rename to third_party/freetype/include/freetype/ftsynth.h
index d0ea730874f40bd66ca53eccd24b6273d5aa07e1..fbcbad871a92496f520fb8e0927eac9d3e329118 100644
--- a/third_party/freetype/include/ftsynth.h
+++ b/third_party/freetype/include/freetype/ftsynth.h
@@ -5,7 +5,7 @@
 /*    FreeType synthesizing code for emboldening and slanting              */
 /*    (specification).                                                     */
 /*                                                                         */
-/*  Copyright 2000-2001, 2003, 2006, 2008, 2012, 2013 by                   */
+/*  Copyright 2000-2015 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -62,8 +62,10 @@ FT_BEGIN_HEADER
   /* a wrapper for @FT_Outline_Embolden and @FT_Bitmap_Embolden.           */
   /*                                                                       */
   /* For emboldened outlines the height, width, and advance metrics are    */
-  /* increased by the strength of the emboldening.  You can also call      */
-  /* @FT_Outline_Get_CBox to get precise values.                           */
+  /* increased by the strength of the emboldening -- this even affects     */
+  /* mono-width fonts!                                                     */
+  /*                                                                       */
+  /* You can also call @FT_Outline_Get_CBox to get precise values.         */
   FT_EXPORT( void )
   FT_GlyphSlot_Embolden( FT_GlyphSlot  slot );