Error in planetpostgresql.org

Sorry if this isn't the best place, but...

Trying to submit a comment to a blog entry I get:


Fatal error: Cannot instantiate non-existent class: http_request in

/usr/local/apache/people.planetpostgresql.org/serendipity-0.9.1/plugins/serendipity_event_spamblock/serendipity_event_spamblock.php
on line 418
--
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461