9696 add /etc/system.d support
Reviewed by: Dan Fields <dan.fields@nexenta.com>
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
Reviewed by: Cynthia Eastham <cynthia.eastham@nexenta.com>

*** 24,34 ****
  # Copyright (c) 2012 by Delphix. All rights reserved.
  # Copyright (c) 2012, Igor Kozhukhov <ikozhukhov@gmail.com>
  # Copyright 2012 OmniTI Computer Consulting, Inc.  All rights reserved.
  # Copyright 2014 Garrett D'Amore <garrett@damore.org>
  # Copyright 2016 Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org>
! # Copyright 2016 Nexenta Systems, Inc.
  # Copyright 2017 RackTop Systems.
  #
  
  #
  # It is easier to think in terms of directory names without the ROOT macro
--- 24,34 ----
  # Copyright (c) 2012 by Delphix. All rights reserved.
  # Copyright (c) 2012, Igor Kozhukhov <ikozhukhov@gmail.com>
  # Copyright 2012 OmniTI Computer Consulting, Inc.  All rights reserved.
  # Copyright 2014 Garrett D'Amore <garrett@damore.org>
  # Copyright 2016 Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org>
! # Copyright 2017 Nexenta Systems, Inc.
  # Copyright 2017 RackTop Systems.
  #
  
  #
  # It is easier to think in terms of directory names without the ROOT macro
*** 152,161 ****
--- 152,162 ----
          /etc/skel       \
          /etc/svc \
          /etc/svc/profile \
          /etc/svc/profile/site \
          /etc/svc/volatile \
+         /etc/system.d \
          /etc/tm  \
          /etc/usb   \
          /etc/user_attr.d \
          /etc/zfs  \
          /etc/zones  \