Removed closing PHP tags, replaced with a comment block identifying the end of the file
diff --git a/system/libraries/Input.php b/system/libraries/Input.php
index 8a0478b..ee7e9ad 100644
--- a/system/libraries/Input.php
+++ b/system/libraries/Input.php
@@ -923,4 +923,6 @@
 

 }

 // END Input class

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