Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/devel/ft2build.h

Index: third_party/freetype2/src/devel/ft2build.h
diff --git a/third_party/freetype2/src/devel/ft2build.h b/third_party/freetype2/src/devel/ft2build.h
new file mode 100644
index 0000000000000000000000000000000000000000..b9eade2dd3334872616b55a820c10d345e84d0c0
--- /dev/null
+++ b/third_party/freetype2/src/devel/ft2build.h
@@ -0,0 +1,40 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ft2build.h                                                             */
+/*                                                                         */
+/*    FreeType 2 build and setup macros (development version).             */
+/*                                                                         */
+/*  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.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+ /*
+  *  This is a development version of <ft2build.h> to build the library in
+  *  debug mode.  Its only difference to the default version is that it
+  *  includes a local `ftoption.h' header file with different settings for
+  *  many configuration macros.
+  *
+  *  To use it, simply ensure that the directory containing this file is
+  *  scanned by the compiler before the default FreeType header directory.
+  *
+  */
+
+#ifndef __FT2BUILD_H__
+#define __FT2BUILD_H__
+
+#define FT_CONFIG_OPTIONS_H  <ftoption.h>
+
+#include <freetype/config/ftheader.h>
+
+#endif /* __FT2BUILD_H__ */
+
+
+/* END */