10080 smatch Makefile changes for usr/src/cmd

*** 21,30 ****
--- 21,31 ----
  #
  #
  # Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  include         ../Makefile.cmd
  
  PROG =          oawk
  LINKPROG =      awk
*** 67,76 ****
--- 68,80 ----
  CERRWARN +=     -_gcc=-Wno-unused-label
  CERRWARN +=     -_gcc=-Wno-unused-variable
  CERRWARN +=     -_gcc=-Wno-extra
  CERRWARN +=     -_gcc=-Wno-parentheses
  
+ # missing type declarations
+ SMATCH =        off
+ 
  .KEEP_STATE :
  
  all :           $(PROG) $(TXTS)
  
  $(PROG) :       $(OBJS)