Removed closing PHP tags, replaced with a comment block identifying the end of the file
diff --git a/system/libraries/Session.php b/system/libraries/Session.php
index d4fdd3a..ce1b75e 100644
--- a/system/libraries/Session.php
+++ b/system/libraries/Session.php
@@ -649,4 +649,6 @@
 	

 }

 // END Session Class

-?>
\ No newline at end of file
+
+/* End of file Session.php */
+/* Location: ./system/libraries/Session.php */
\ No newline at end of file