10080 smatch Makefile changes for usr/src/cmd

*** 22,31 ****
--- 22,32 ----
  #
  # Copyright (c) 2017 Peter Tribble.
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  include $(SRC)/cmd/Makefile.cmd
  
  CFLAGS +=       $(CCVERBOSE)
  CPPFLAGS +=     -I$(SRC)/cmd/svr4pkg/hdrs \
*** 36,45 ****
--- 37,49 ----
  
  CERRWARN +=     -_gcc=-Wno-parentheses
  CERRWARN +=     -_gcc=-Wno-uninitialized
  CERRWARN +=     -_gcc=-Wno-address
  
+ # multiple issues in this old code
+ SMATCH=off
+ 
  LIBINST =       $(SRC)/cmd/svr4pkg/libinst/libinst.a
  
  SRCS=           $(OBJS:.o=.c)