title: installation - PHP Extensions "pdo_mysql" must be loaded
body: <p>This is whay i see on phpinfo();</p>
  
  <p>pdo_mysql
  PDO Driver for MySQL    enabled
  Client API version  5.1.68</p>
  
  <p>Directive   Local Value Master Value
  pdo_mysql.default_socket    /var/lib/mysql/mysql.sock   /var/lib/mysql/mysql.sock</p>
  
  <p>but im still getting the magento message :
  "PHP Extensions "pdo_mysql" must be loaded"</p>
  
  <p>why is that ?</p>