8927 sadb_x_kmc_t's KM cookie should be 64-bits (fix improper upstream)

*** 13,23 ****
  
  #
  # Copyright (c) 2017 Joyent, Inc.
  #
  
! if [ `id -u` -ne 0 ]; then
          echo "Need to be root or have effective UID of root."
          exit 255
  fi
  
  #
--- 13,23 ----
  
  #
  # Copyright (c) 2017 Joyent, Inc.
  #
  
! if [[ `id -u` -ne 0 ]]; then
          echo "Need to be root or have effective UID of root."
          exit 255
  fi
  
  #