10080 smatch Makefile changes for usr/src/cmd

*** 21,30 ****
--- 21,31 ----
  #
  #
  # Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  #
  # Debugging targets
  #   sort provides a number of debugging options to simplify failure analysis.
  #
*** 86,95 ****
--- 87,99 ----
  
  CERRWARN +=     -_gcc=-Wno-parentheses
  CERRWARN +=     -_gcc=-Wno-uninitialized
  CERRWARN +=     -_gcc=-Wno-unused-function
  
+ # not linted
+ SMATCH=off
+ 
  $(XPG4) :=      CFLAGS += -DXPG4
  
  debug :=        SORT_DEBUG = -g -DDEBUG $(ILDOFF)
  debug :=        COPTFLAG =
  debug :=        COPTFLAG64 =