XXX Remove nawk(1)

*** 91,101 ****
                  # from the repository-wide exception_lists/ directory.
                  #
                  e="$CODEMGR_WS/exception_lists/packaging"
                  for f in $e; do
                          if [ -f $f ]; then
!                                 nawk 'NF == 1 || /[     ]\+'$arch'$/ { print; }' \
                                      < $f | validate_paths -b $ROOT -n $f
                          fi
                  done
          fi
  done
--- 91,101 ----
                  # from the repository-wide exception_lists/ directory.
                  #
                  e="$CODEMGR_WS/exception_lists/packaging"
                  for f in $e; do
                          if [ -f $f ]; then
!                                 /usr/xpg4/bin/awk 'NF == 1 || /[        ]\+'$arch'$/ { print; }' \
                                      < $f | validate_paths -b $ROOT -n $f
                          fi
                  done
          fi
  done