10080 smatch Makefile changes for usr/src/cmd

*** 18,33 ****
  # information: Portions Copyright [yyyy] [name of copyright owner]
  #
  # CDDL HEADER END
  #
  #
- #ident  "%Z%%M% %I%     %E% SMI"
- #
  # Copyright (c) 1991,1996,2001 by Sun Microsystems, Inc.
  # All rights reserved.
  #
! # cmd/fs.d/ufs/lockfs/Makefile
  
  FSTYPE=         ufs
  LIBPROG=        lockfs
  ATTMK=          $(LIBPROG)
  
--- 18,31 ----
  # information: Portions Copyright [yyyy] [name of copyright owner]
  #
  # CDDL HEADER END
  #
  #
  # Copyright (c) 1991,1996,2001 by Sun Microsystems, Inc.
  # All rights reserved.
  #
! # Copyright (c) 2018, Joyent, Inc.
  
  FSTYPE=         ufs
  LIBPROG=        lockfs
  ATTMK=          $(LIBPROG)
  
*** 36,44 ****
--- 34,44 ----
  
  include         ../../Makefile.fstype
  
  CPPFLAGS +=     -D_LARGEFILE64_SOURCE
  
+ SMOFF += all_func_returns
+ 
  lint:           lint_PROG
  
  $(ROOTUSRSBIN)/$(LIBPROG):
          $(RM) $@; $(SYMLINK) $(LINKVALUE) $@