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=   sysdef
  OBJS=   $(PROG).o sdevinfo.o
  SRCS=   $(OBJS:%.o=../%.c)
  
*** 30,39 ****
--- 31,43 ----
  include ../../Makefile.cmd
  
  LDLIBS  += -ldevinfo -lelf
  CERRWARN += -_gcc=-Wno-parentheses
  
+ # not linted
+ SMATCH=off
+ 
  FILEMODE= 02555
  
  CLEANFILES += $(OBJS)
  
  .KEEP_STATE: