made last name check case insensitive

includes/form.inc

@@ -42,6 +42,7 @@ function upei_roblib_ill_form_validate($form, &$form_state) {
     $aid = upei_roblib_ill_authenticate($form_state['values']['campus_id'], $form_state['values']['Surname']);
     if (is_array($aid) && isset($aid['Problem']['Message'])) {
       form_set_error('Surname', $aid['Problem']['Message']);
+      form_set_error('campus_id', '');
     }
     else {
       $form_state['storage']['aid'] = $aid;

includes/relais.inc

@@ -86,7 +86,7 @@ function upei_roblib_ill_authenticate($barcode, $surname) {
   }
   $response_data = json_decode($result->data, TRUE);
   if ($result->code == '200') {
-    if (isset($response_data['Problem']) || $response_data['LastName'] !== $surname) {
+    if (isset($response_data['Problem']) || strtolower($response_data['LastName']) !== strtolower($surname)) {
       $err_message = isset($response_data['Problem']['Message']) ? $response_data['Problem']['Message'] : '';
       $err_message .= t( '  Your Campus ID could be incorrect or your Last Name does not match what is stored in the profile for the user with the specified Campus ID');
       $response_data['Problem']['Message'] = $err_message;