10080 smatch Makefile changes for usr/src/cmd

*** 1,8 ****
--- 1,9 ----
  #
  # Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
  # Copyright 2011 Nexenta Systems, Inc. All rights reserved.
+ # Copyright (c) 2018, Joyent, Inc.
  #
  
  PROG=           pppdump
  OBJS=           bsd-comp.o deflate.o pppdump.o zlib.o
  SRCS=           $(OBJS:%.o=%.c)
*** 14,23 ****
--- 15,27 ----
  CERRWARN +=     -_gcc=-Wno-implicit-function-declaration
  CERRWARN +=     -_gcc=-Wno-parentheses
  CERRWARN +=     -_gcc=-Wno-unused-variable
  CERRWARN +=     -_gcc=-Wno-uninitialized
  
+ # not linted
+ SMATCH=off
+ 
  .KEEP_STATE:
  
  all:            $(PROG)
  
  $(PROG):        $(OBJS)