set $DB->char_set and $DB->dbcollat defaults to utf8 and utf8_general_ci respectively
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index c9cece6..eeaf6ea 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -36,8 +36,8 @@
 	var $database;

 	var $dbdriver		= 'mysql';

 	var $dbprefix		= '';

-	var $char_set		= '';

-	var $dbcollat		= '';

+	var $char_set		= 'utf8';

+	var $dbcollat		= 'utf8_general_ci';

 	var $autoinit		= TRUE; // Whether to automatically initialize the DB

 	var $swap_pre		= '';

 	var $port			= '';