NEX-9559 remove nza-closed cruft
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
Reviewed by: Steve Peng <steve.peng@nexenta.com>
re #13842 make clobber leaves trash
re #12585 rb4049 ZFS++ work port - refactoring to improve separation of open/closed code, bug fixes, performance improvements - open code

*** 21,38 ****
--- 21,40 ----
  
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  # Copyright (c) 2012 by Delphix. All rights reserved.
+ # Copyright 2013 Nexenta Systems, Inc. All rights reserved.
  # Copyright 2017 Joyent, Inc.
  # Copyright 2017 RackTop Systems.
  #
  
  PROG:sh=        cd ..; basename `pwd`
  SRCS= ../$(PROG).c ../zdb_il.c
  OBJS= $(PROG).o zdb_il.o
  
+ 
  include ../../Makefile.cmd
  include ../../Makefile.ctf
  
  INCS += -I../../../lib/libzpool/common
  INCS += -I../../../uts/common/fs/zfs