phpmyadmin go buttons don't redirect to new page [solved]

[newtonian]

I recently upgraded to php5 and phpmyadmin 2.8.0.2. I've got phpmyadmin working ok,
but the "go" buttons don't seem to be working correctly. When you click the pencil icon to update row in a
table and press "go" to submit the update, the page doesn't redirect to another page.
It seems to the user as if nothing has happened. There isn't anything reported in the apache2 error logs.
The update action is however correctly executed. Here is what the apache2 access log output looks like when
you click the "go" button 5 times in succession:

[newtonian]

This was due to a bug in the gentoo phpmyadmin install instructions:

https://bugs.gentoo.org/show_bug.cgi?id=129590