Fix a typo in CI_Session
diff --git a/system/libraries/Session/Session.php b/system/libraries/Session/Session.php
index de9b1e8..f3b819a 100644
--- a/system/libraries/Session/Session.php
+++ b/system/libraries/Session/Session.php
@@ -314,7 +314,7 @@
 		$this->_config = $params;
 
 		// Security is king
-		ini_set('session.use_trans_id', 0);
+		ini_set('session.use_trans_sid', 0);
 		ini_set('session.use_strict_mode', 1);
 		ini_set('session.use_cookies', 1);
 		ini_set('session.use_only_cookies', 1);