Update the interwiki cache
From Wikitech
The interwiki cache is a cache of meta:Interwiki map, which maps interwiki prefixes to URLs
This is how it appears to be updated:
andrew@fenari:/home/wikipedia/common/php-1.5/maintenance$ php dumpInterwiki.php -o /home/wikipedia/common/php-1.5/cache/interwiki.cdb andrew@fenari:/home/wikipedia/common/php-1.5/maintenance$ sync-file cache/interwiki.cdb Updating interwiki cache for new wikitech entry
