ife_fix_notice_on_no_session.patch

diff --git ife.module ife.module
index c1b0a82..54bc512 100644
--- ife.module
+++ ife.module
@@ -308,7 +308,9 @@ function ife_element_get_error($element, $debug = FALSE) {
  * Clear the session after the form has been build.
  */
 function ife_session_cleanup($form, $form_state) {
-  unset($_SESSION['ife']);
+  if (isset($_SESSION)) {
+    unset($_SESSION['ife']);
+  }
   return $form;
 }