10080 smatch Makefile changes for usr/src/cmd

*** 21,30 ****
--- 21,31 ----
  #
  #
  # Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  PROG=           wificonfig      
  OBJS=           wificonfig.o
  SRCS=           $(OBJS:%.o=%.c)
  
*** 35,44 ****
--- 36,48 ----
  $(ROOTSBIN)/wificonfig := FILEMODE = 04755
  ROOTUSRSBINLINKS = $(ROOTUSRSBIN)/$(PROG)
  CERRWARN += -_gcc=-Wno-char-subscripts
  CERRWARN += -_gcc=-Wno-parentheses
  
+ # needs work
+ SMOFF += index_overflow,memcpy_overflow
+ 
  .KEEP_STATE:
  
  all:    $(PROG)
  
  _msg:   $(POFILE)