NEX-16818 Add fksmbcl development tool
NEX-17264 SMB client test tp_smbutil_013 fails after NEX-14666
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Matt Barden <matt.barden@nexenta.com>
and: (fix ref leaks)

*** 8,28 ****
   * source.  A copy of the CDDL is also available via the Internet at
   * http://www.illumos.org/license/CDDL.
   */
  
  /*
!  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
   */
  
  #ifndef _SMB_SIGNING_H_
  #define _SMB_SIGNING_H_
  
  /*
!  * SMB signing routines used in {smb,smb2}_signing.c
   * Two implementations of these (kernel/user) in:
!  *      uts/common/fs/smbsrv/smb_sign_kcf.c
!  *      lib/smbsrv/libfksmbsrv/common/fksmb_sign_pkcs.c
   */
  
  #ifdef  _KERNEL
  #include <sys/crypto/api.h>
  #else
--- 8,28 ----
   * source.  A copy of the CDDL is also available via the Internet at
   * http://www.illumos.org/license/CDDL.
   */
  
  /*
!  * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
   */
  
  #ifndef _SMB_SIGNING_H_
  #define _SMB_SIGNING_H_
  
  /*
!  * SMB signing routines used in {smb,smb2}_sign.c
   * Two implementations of these (kernel/user) in:
!  *      uts/common/fs/smbclnt/netsmb/smb_sign_kcf.c
!  *      lib/smbclnt/libfknsmb/common/fksmb_sign_pkcs.c
   */
  
  #ifdef  _KERNEL
  #include <sys/crypto/api.h>
  #else