10080 smatch Makefile changes for usr/src/cmd

*** 21,30 ****
--- 21,31 ----
  
  #
  # Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  # cmd/vi/port/Makefile
  
  PROG= ex
  XPG4PROG= ex
*** 59,68 ****
--- 60,72 ----
  CERRWARN += -_gcc=-Wno-unused-label
  CERRWARN += -_gcc=-Wno-unused-value
  CERRWARN += -_gcc=-Wno-uninitialized
  CERRWARN += -_gcc=-Wno-address
  
+ # way too old
+ SMATCH=off
+ 
  #
  # For message catalogue files
  #
  POFILES= $(EXOBJS:%.o=%.po) expreserve.po exrecover.po
  POFILE= port.po