Updated OCI8Connection parameter name in order to separate oracle pooling...

Updated OCI8Connection parameter name in order to separate oracle pooling handling with oci8 persistent connections

lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php

@@ -37,13 +37,13 @@ class OCI8Connection implements \Doctrine\DBAL\Driver\Connection
      * @param string $password
      * @param string $db
      */
-    public function __construct($username, $password, $db, $charset = null, $sessionMode = OCI_DEFAULT, $pooled = false)
+    public function __construct($username, $password, $db, $charset = null, $sessionMode = OCI_DEFAULT, $persistent = false)
     {
         if (!defined('OCI_NO_AUTO_COMMIT')) {
             define('OCI_NO_AUTO_COMMIT', 0);
         }
 
-        $this->_dbh = $pooled
+        $this->_dbh = $persistent
             ? @oci_pconnect($username, $password, $db, $charset, $sessionMode)
             : @oci_connect($username, $password, $db, $charset, $sessionMode);