10080 smatch Makefile changes for usr/src/cmd

*** 20,29 ****
--- 20,30 ----
  #
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  PROG =          sulogin
  ROOTFS_PROG =   $(PROG)
  
  include         ../Makefile.cmd
*** 30,39 ****
--- 31,43 ----
  
  LDLIBS +=       -lsecdb
  
  FILEMODE =      0555
  
+ # not linted
+ SMATCH=off
+ 
  .KEEP_STATE:
  
  all:            $(ROOTFS_PROG)
  
  $(PROG):        $(PROG).c