Those patches are not necessary anymore since Node.js v0.8.10.
Either compile it yourself (takes about 2 hours): http://www.raspberrypi.org/phpBB3/viewtopic.php?f=34&t=18775
Download the binary (at the moment only available for v0.8.17). http://nodejs.org/dist/v0.8.17/node-v0.8.17-linux-arm-pi.tar.gz
Under the Debian Squeeze distribution node.js 0.8.2 compiles quite happily with a few tweaks