tidy with cfengine 2.0.a11

[Ronan KERYELL]

I have problems with tidy as in :

tidy:
   solaris::
      # Avoid cfengine to leave parasitic files during crontab editing
      # because cron would thought of users adm.cfsaved and root.cfsaved...
      /var/spool/cron/crontabs
         pattern=*.cfsaved
         recurse=0
         type=mtime
         size=0
         age=0

Looks like the size cannot be 0, 0b, 0k, 0m:

Import file /usr/local/Solaris-8/share/cfengine/cf/cron.cf
cf:rodomouls.enst-bretagne.fr:/usr/local/Solaris-8/share/cfengine/cf/cron.cf:13:
 size value must be a decimal number with units m/b/k 

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