Set transaction enabled flag default to TRUE
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php
index 34adf0f..ffbafea 100644
--- a/system/database/drivers/pdo/pdo_driver.php
+++ b/system/database/drivers/pdo/pdo_driver.php
@@ -53,7 +53,7 @@
 	 *
 	 * @var	bool
 	 */
-	public $trans_enabled = FALSE;
+	public $trans_enabled = TRUE;
 
 	/**
 	 * PDO Options