I get the same bug, since 'dash' is my default scriping shell. Attached is a patch for '/etc/cron.daily/standard'.
Hope this helps...
--- /etc/cron.daily/standard 2005-08-11 03:06:18.000000000 -0400 +++ /tmp/standard 2005-08-20 16:52:03.000000000 -0400 @@ -62,7 +62,7 @@ df -P --type=ext2 --type=ext3 --type=xfs | awk '/\/dev\// { print }' | sed -e 's/ [[:space:]]*/ /g' | while read mount block used avail perc mp; do - [ "$mp" == "/" ] && mp="" + [ "$mp" = "/" ] && mp="" echo "$mp/lost+found" done | while read lfdir; do