10076 make usr/src/test smatch clean

*** 9,18 ****
--- 9,19 ----
  # http://www.illumos.org/license/CDDL.
  #
  
  #
  # Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
+ # Copyright (c) 2018, Joyent, Inc.
  #
  
  include         $(SRC)/test/Makefile.com
  
  OBJS=           $(PROG:%=%.o)
*** 25,34 ****
--- 26,38 ----
  
  LINTFLAGS +=    -erroff=E_BAD_FORMAT_STR2
  LINTFLAGS +=    -erroff=E_NAME_DECL_NOT_USED_DEF2
  LINTFLAGS +=    -erroff=E_FUNC_RET_ALWAYS_IGNOR2
  
+ # needs work
+ SMOFF += all_func_returns,leaks
+ 
  all:            $(PROG)
  
  $(PROG):        $(OBJS)
                  $(LINK.c) $(OBJS) -o $@ $(LDLIBS)
                  $(POST_PROCESS)