MDL-26680: Reset my moodle page - add sesskey check.

my/index.php

@@ -101,6 +101,7 @@
 if ($PAGE->user_allowed_editing()) {
     if ($reset !== null) {
         if (!is_null($userid)) {
+            require_sesskey();
             if(!$currentpage = my_reset_page($userid, MY_PAGE_PRIVATE)){
                 print_error('reseterror', 'my');
             }