For either of the methods below, make sure that after you apply the patch that the patched files have the currect permissions. You can view the files that were patched by opening the patch file.
Linux Patch instructions
Download the patch to your root dir
cd /var/www/dekiwiki
patch -p0 < ~/fiesta_nav.patch
Windows
The patch is attached which you can save to C:. In order to apply the patch you need to download the patch software which is available here:http://gnuwin32.sourceforge.net/downlinks/patch.php
cd c:\Program Files\MindTouch\MindTouch Deki\web
"C:\Program Files\GnuWin32\bin\patch.exe" -p0 < c:\fiesta_nav.patch.txt