Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/builds/link_dos.mk

Index: third_party/freetype2/src/builds/link_dos.mk
diff --git a/third_party/freetype2/src/builds/link_dos.mk b/third_party/freetype2/src/builds/link_dos.mk
new file mode 100644
index 0000000000000000000000000000000000000000..694845b9e0763f22b3ccf4665542a04102503b70
--- /dev/null
+++ b/third_party/freetype2/src/builds/link_dos.mk
@@ -0,0 +1,42 @@
+#
+#  Link instructions for Dos-like systems (Dos, Win32, OS/2)
+#
+
+
+# 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.
+
+
+ifdef BUILD_PROJECT
+
+  .PHONY: clean_project distclean_project
+
+  # Now include the main sub-makefile.  It contains all the rules used to
+  # build the library with the previous variables defined.
+  #
+  include $(TOP_DIR)/builds/$(PROJECT).mk
+
+  # The cleanup targets.
+  #
+  clean_project: clean_project_dos
+  distclean_project: distclean_project_dos
+
+  # This final rule is used to link all object files into a single library.
+  # this is compiler-specific
+  #
+  $(PROJECT_LIBRARY): $(OBJECTS_LIST)
+    ifdef CLEAN_LIBRARY
+	  -$(CLEAN_LIBRARY) $(NO_OUTPUT)
+    endif
+	  $(LINK_LIBRARY)
+
+endif
+
+
+# EOF