Index: wp-includes/wp-db.php
===================================================================
--- wp-includes/wp-db.php	(revision 11974)
+++ wp-includes/wp-db.php	(working copy)
@@ -337,6 +337,8 @@
 	 * @param string $dbhost MySQL database host
 	 */
 	function wpdb($dbuser, $dbpassword, $dbname, $dbhost) {
+		register_shutdown_function(array(&$this, "__destruct"));
+		
 		return $this->__construct($dbuser, $dbpassword, $dbname, $dbhost);
 	}
 
@@ -355,8 +357,6 @@
 	 * @param string $dbhost MySQL database host
 	 */
 	function __construct($dbuser, $dbpassword, $dbname, $dbhost) {
-		register_shutdown_function(array(&$this, "__destruct"));
-
 		if ( defined('WP_DEBUG') and WP_DEBUG == true )
 			$this->show_errors();
 
@@ -405,12 +405,14 @@
 	/**
 	 * PHP5 style destructor and will run when database object is destroyed.
 	 *
+	 * Destructor void __destruct ( void )
+	 * 
+	 * @see http://www.php.net/manual/en/language.oop5.decon.php
 	 * @since 2.0.8
 	 *
-	 * @return bool Always true
+	 * @return void A PHP5 style descrutctor does not return a value
 	 */
 	function __destruct() {
-		return true;
 	}
 
 	/**