10080 smatch Makefile changes for usr/src/cmd

*** 21,30 ****
--- 21,31 ----
  #
  #
  # Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  PROG=   prctl
  
  OBJS=   prctl.o utils.o
  
*** 34,43 ****
--- 35,47 ----
  
  CFLAGS  += $(CCVERBOSE)
  CERRWARN += -_gcc=-Wno-parentheses
  CERRWARN += -_gcc=-Wno-uninitialized
  
+ # not linted
+ SMATCH=off
+ 
  LDLIBS  += -lproc -lproject
  
  # Adding this flag to LINTFLAGS did not do anything.  I'm adding this flag
  # because there are some lint errors due to private functions in libproject.
  # I do not want to add these functions to /usr/lib/llib-project because we