10080 smatch Makefile changes for usr/src/cmd

*** 20,29 ****
--- 20,31 ----
  #
  #
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
+ #
  
  PROG=           telnet
  OBJS=           telnet.o commands.o main.o network.o ring.o \
                  sys_bsd.o terminal.o utilities.o genget.o
  
*** 51,60 ****
--- 53,65 ----
  CERRWARN +=     -_gcc=-Wno-unused-label
  LDLIBS +=       -lsocket -lnsl -ltermlib
  LDLIBS +=       -lmech_krb5 
  LDFLAGS +=      $(KRUNPATH) -L$(ROOT)$(KLIBDIR_DO) -L$(ROOT)$(KLIBDIR_GL)
  
+ # "missing type for func"
+ SMATCH=off
+ 
  .KEEP_STATE:
  
  all: $(PROG)
  
  $(PROG): $(OBJS)