10080 smatch Makefile changes for usr/src/cmd

*** 17,27 ****
  # information: Portions Copyright [yyyy] [name of copyright owner]
  #
  # CDDL HEADER END
  #
  # Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
! # Copyright 2017, Joyent, Inc. All rights reserved.
  #
  # cmd/fs.d/nfs/mount/Makefile
  
  FSTYPE=         nfs
  LIBPROG=        mount
--- 17,27 ----
  # information: Portions Copyright [yyyy] [name of copyright owner]
  #
  # CDDL HEADER END
  #
  # Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
! # Copyright 2018, Joyent, Inc. All rights reserved.
  #
  # cmd/fs.d/nfs/mount/Makefile
  
  FSTYPE=         nfs
  LIBPROG=        mount
*** 48,57 ****
--- 48,60 ----
  CERRWARN += -_gcc=-Wno-unused-variable
  CERRWARN += -_gcc=-Wno-uninitialized
  CERRWARN += -_gcc=-Wno-address
  CERRWARN += -_gcc=-Wno-unused-function
  
+ # unknown type for func
+ SMATCH=off
+ 
  #
  # Message catalog
  #
  POFILE= mount.po