10080 smatch Makefile changes for usr/src/cmd

*** 19,29 ****
  # CDDL HEADER END
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
! # Copyright 2012 Joyent, Inc. All Rights Reserved.
  #
  
  PROG= wall
  
  include ../Makefile.cmd
--- 19,29 ----
  # CDDL HEADER END
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
! # Copyright (c) 2018, Joyent, Inc.
  #
  
  PROG= wall
  
  include ../Makefile.cmd
*** 32,41 ****
--- 32,43 ----
  
  LDLIBS += -lzonecfg -lcontract
  CERRWARN += -_gcc=-Wno-parentheses
  CERRWARN += -_gcc=-Wno-uninitialized
  
+ SMOFF += leaks
+ 
  .KEEP_STATE:
  
  all: $(PROG)
  
  install: all $(ROOTUSRSBINPROG)