Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/builds/unix/unixddef.mk

Index: third_party/freetype2/src/builds/unix/unixddef.mk
diff --git a/third_party/freetype2/src/builds/unix/unixddef.mk b/third_party/freetype2/src/builds/unix/unixddef.mk
new file mode 100644
index 0000000000000000000000000000000000000000..f3336408fd090969843a478d3e295da51980e1ce
--- /dev/null
+++ b/third_party/freetype2/src/builds/unix/unixddef.mk
@@ -0,0 +1,45 @@
+#
+# FreeType 2 configuration rules templates for
+# development under Unix with no configure script (gcc only)
+#
+
+
+# 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.
+
+
+TOP_DIR := $(shell cd $(TOP_DIR); pwd)
+OBJ_DIR := $(shell cd $(OBJ_DIR); pwd)
+
+PLATFORM := unix
+
+DELETE := rm -f
+CAT    := cat
+SEP    := /
+
+# we use a special devel ftoption.h
+DEVEL_DIR := $(TOP_DIR)/devel
+
+
+# library file name
+#
+LIBRARY := lib$(PROJECT)
+
+
+# The directory where all library files are placed.
+#
+# By default, this is the same as $(OBJ_DIR); however, this can be changed
+# to suit particular needs.
+#
+LIB_DIR := $(OBJ_DIR)
+
+
+NO_OUTPUT := 2> /dev/null
+
+# EOF