Add list_fields() support for SQLite3
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 3d35c2d..64ee880 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -1218,7 +1218,7 @@
 	/**
 	 * Fetch Field Names
 	 *
-	 * @param	string	the table name
+	 * @param	string	$table	Table name
 	 * @return	array
 	 */
 	public function list_fields($table)