XXX Remove nawk(1)

*** 247,257 ****
  
  # find the dataset associated with $zonepath
  uninstall_get_zonepath_ds()
  {
          ZONEPATH_DS=`/sbin/zfs list -t filesystem -o name,mountpoint | \
!             /bin/nawk -v zonepath=$zonepath '{
                  if ($2 == zonepath)
                          print $1
          }'`
  
          if [ -z "$ZONEPATH_DS" ]; then
--- 247,257 ----
  
  # find the dataset associated with $zonepath
  uninstall_get_zonepath_ds()
  {
          ZONEPATH_DS=`/sbin/zfs list -t filesystem -o name,mountpoint | \
!             /usr/xpg4/bin/awk -v zonepath=$zonepath '{
                  if ($2 == zonepath)
                          print $1
          }'`
  
          if [ -z "$ZONEPATH_DS" ]; then