portugrade crashes on bsdpan-*

[Олег Алексеенков]

--->  Skipping 'bsdpan-IO-Socket-Socks-0.1' because it is held by user  
(specify -f to force)
/usr/local/lib/ruby/site_ruby/1.8/pkgtools.rb:953:in `initialize':  
ArgumentError (ArgumentError)
   from /usr/local/sbin/portupgrade:1004:in `new'
   from /usr/local/sbin/portupgrade:1004:in `do_upgrade'
   from /usr/local/sbin/portupgrade:814:in `main'
   from /usr/local/sbin/portupgrade:810:in `each'
   from /usr/local/sbin/portupgrade:810:in `main'
   from /usr/local/lib/ruby/1.8/optparse.rb:791:in `initialize'
   from /usr/local/sbin/portupgrade:231:in `new'
   from /usr/local/sbin/portupgrade:231:in `main'
   from /usr/local/sbin/portupgrade:2219

its perl modules installed via cpan

current bad fix:
rm -rf /var/db/pkg/bsdpan-*