XXX Remove nawk(1)

*** 59,69 ****
  EOF
  }
  
  validate()
  {
!         /usr/bin/nawk '
          BEGIN {
                  while (("/usr/sbin/xm vcpu-list" | getline)) {
                          if ($1 != "Name") {
                                  domid = $2
                                  vcpu = $3
--- 59,69 ----
  EOF
  }
  
  validate()
  {
!         /usr/xpg4/bin/awk '
          BEGIN {
                  while (("/usr/sbin/xm vcpu-list" | getline)) {
                          if ($1 != "Name") {
                                  domid = $2
                                  vcpu = $3