Cancel button when adding a new poll column was not working

htdocs/opensurvey/results.php

@@ -49,6 +49,12 @@ $nblignes=count($object->fetch_lines());
  * Actions
  */
 
+//Return to the results
+if (GETPOST('retoursondage')) {
+	header('Location: results.php?id='.$_GET['id']);
+	die;
+}
+
 $nbcolonnes = substr_count($object->sujet, ',') + 1;
 
 // Add vote
@@ -467,7 +473,6 @@ print '<a class="butAction" href="exportcsv.php?id=' . $numsondage . '">'.$langs
 
 print '</div>';
 
-
 // Add form to add a field
 if (GETPOST('ajoutsujet'))
 {