如何在CentOS 5上升级到Subversion 1.5 ?

My development server (CentOS 5) is running Subversion 1.4.2, and I wish to upgrade it to 1.5. I have read in various blogs and documents scattered around the web that this may be done by using RPMForge. I have followed the instructions found on My development server (CentOS 5) is running Sub