LP:810779 - Ubuntu 10.04 LTS: Headers and client library minor version mismatch warning

One gets this kind of warnings on Ubuntu 10.10 LTS:

PHP Warning: mysqli::real_connect(): Headers and client library minor version mismatch. Headers:50141 Library:50207 in /var/www/class-repository/utility/database/Database.class.inc.php on line 83

Information about the setup:

<mariadb_user> maria is from the official maria mirrors, installed using apt
<mariadb_user> php is from ubuntu
<mariadb_user> maria is the only thing i've installed that didn't come from the ubuntu repositories
<mariadb_user> and i haven't custom compiled anything