10077 usr/src/uts/ Makefile changes for smatch

*** 22,32 ****
  # uts/i86pc/acpinex/Makefile
  #
  # Copyright (c) 2009, Intel Corporation.
  # All rights reserved.
  #
! # Copyright 2016, Joyent, Inc.
  #
  #       This makefile drives the production of the ACPI virtual nexus 
  #       kernel module.
  #
  #       intel platform dependent
--- 22,32 ----
  # uts/i86pc/acpinex/Makefile
  #
  # Copyright (c) 2009, Intel Corporation.
  # All rights reserved.
  #
! # Copyright (c) 2018, Joyent, Inc.
  #
  #       This makefile drives the production of the ACPI virtual nexus
  #       kernel module.
  #
  #       intel platform dependent
*** 62,71 ****
--- 62,74 ----
  #
  LDFLAGS         += -dy -N misc/acpica -N misc/acpidev
  
  CERRWARN        += -_gcc=-Wno-unused-function
  
+ # needs work
+ SMOFF += deref_check
+ 
  #
  #       Default build targets.
  #
  .KEEP_STATE: