10080 smatch Makefile changes for usr/src/cmd

*** 1,9 ****
--- 1,11 ----
  #
  # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
+ #
  
  include         ../../Makefile.cmd
  
  PROG =          eqn
  
*** 33,42 ****
--- 35,47 ----
  
  CERRWARN +=     -_gcc=-Wno-implicit-function-declaration
  CERRWARN +=     -_gcc=-Wno-unused-label
  CERRWARN +=     -_gcc=-Wno-uninitialized
  
+ # not linted
+ SMATCH=off
+ 
  .KEEP_STATE:
  
  all :           $(PROG) 
  
  catalog:        $(POFILE)