portupgrade error when using -R

[Robert Huff]

Christer Solskogen writes:

>  --->  Session ended at: Tue, 20 Jan 2009 13:53:33 +0000 (consumed 00:00:17)
>  /usr/local/lib/ruby/site_ruby/1.8/pkginfo.rb:74:in `initialize': : Not
>  in due form: <name>-<version> (ArgumentError)
>          from /usr/local/sbin/portupgrade:931:in `new'
>          from /usr/local/sbin/portupgrade:931:in `do_upgrade'
>          from /usr/local/sbin/portupgrade:815:in `main'
>          from /usr/local/sbin/portupgrade:811:in `each'
>          from /usr/local/sbin/portupgrade:811:in `main'
>          from /usr/local/lib/ruby/1.8/optparse.rb:785:in `initialize'
>          from /usr/local/sbin/portupgrade:229:in `new'
>          from /usr/local/sbin/portupgrade:229:in `main'
>          from /usr/local/sbin/portupgrade:2208

	I get this occasionally, and not just on a particular port.
Only specifying the base portname (i.e. "libgtop" instead of
"libgtop-2.24.3" seems to increase the chances - but does not
guerrantee - this will happen.

				Robert Huff