10080 smatch Makefile changes for usr/src/cmd

*** 1,9 ****
--- 1,11 ----
  #
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
+ #
  
  #
  # BSD 3 Clause License
  #
  # Copyright (c) 2007, The Storage Networking Industry Association.
*** 45,54 ****
--- 47,58 ----
  POFILES=        ndmpstat_main.po
  POFILE=         ndmpstat.po
  
  LDLIBS += -lndmp
  
+ SMOFF += signed
+ 
  .KEEP_STATE:
  
  all: $(PROG)
  
  $(PROG): $(OBJS)