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 2014 Nexenta Systems, Inc.  All rights reserved.
+ # Copyright (c) 2018, Joyent, Inc.
  #
  
  PROG=   smbadm
  SRCS=   smbadm.c
  
*** 36,45 ****
--- 37,48 ----
  
  .KEEP_STATE:
  
  CERRWARN += -_gcc=-Wno-uninitialized
  
+ SMOFF += free
+ 
  all:            $(PROG)
  
  clean:
          $(RM) $(OBJS)