10077 usr/src/uts/ Makefile changes for smatch

*** 22,31 ****
--- 22,32 ----
  # uts/intel/tmpfs/Makefile
  #
  # Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  #
  #       This makefile drives the production of the tmpfs file system
  #       kernel module.
  #
*** 67,76 ****
--- 68,80 ----
  
  CERRWARN        += -_gcc=-Wno-parentheses
  CERRWARN        += -_gcc=-Wno-uninitialized
  CERRWARN        += -_gcc=-Wno-unused-value
  
+ # needs work
+ $(OBJS_DIR)/tmp_vnops.o := SMOFF += signed
+ 
  #
  #       Default build targets.
  #
  .KEEP_STATE: