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)

*** 18,28 ****
   *
   * CDDL HEADER END
   */
  
  /*
!  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  
  /*
!  * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
*** 126,136 ****
                  err = SMB_KEYCHAIN_NODRIVER;
                  goto out;
          }
  
          err = 0;
!         if (ioctl(fd, cmd, &pk) < 0) {
                  err = errno;
                  goto out;
          }
  
          if (cmd == SMBIOC_PK_CHK) {
--- 126,136 ----
                  err = SMB_KEYCHAIN_NODRIVER;
                  goto out;
          }
  
          err = 0;
!         if (nsmb_ioctl(fd, cmd, &pk) < 0) {
                  err = errno;
                  goto out;
          }
  
          if (cmd == SMBIOC_PK_CHK) {
*** 140,150 ****
                          memcpy(nthash, pk.pk_nthash, SMBIOC_HASH_SZ);
          }
  
  out:
          if (fd != -1)
!                 close(fd);
  
          return (err);
  }
  
  /*
--- 140,150 ----
                          memcpy(nthash, pk.pk_nthash, SMBIOC_HASH_SZ);
          }
  
  out:
          if (fd != -1)
!                 nsmb_close(fd);
  
          return (err);
  }
  
  /*