6375 Add native name demangling support

*** 11,20 ****
--- 11,22 ----
  
  #
  # Copyright (c) 2012 by Delphix. All rights reserved.
  # Copyright 2014 Garrett D'Amore <garrett@damore.org>
  # Copyright 2014 Nexenta Systems, Inc. All rights reserved.
+ # Copyright 2017 Jason King
  #
  
  SUBDIRS = date dis dladm iconv libnvpair_json libsff printf xargs grep_xpg4
+ SUBDIRS += demangle
  
  include $(SRC)/test/Makefile.com