MDL-26322 always allow https in login local redirection test

This fixes problems for sites that use loginhtts where the redirection after login did not work for pages that require https such as the forgotten passowrds page.

login/index.php

@@ -179,7 +179,7 @@ httpsrequired();
                 $urltogo = $CFG->wwwroot.'/user/edit.php';
                 // We don't delete $SESSION->wantsurl yet, so we get there later
 
-            } else if (isset($SESSION->wantsurl) and (strpos($SESSION->wantsurl, $CFG->wwwroot) === 0)) {
+            } else if (isset($SESSION->wantsurl) and (strpos($SESSION->wantsurl, $CFG->wwwroot) === 0 or strpos($SESSION->wantsurl, str_replace('http://', 'https://', $CFG->wwwroot)) === 0)) {
                 $urltogo = $SESSION->wantsurl;    /// Because it's an address in this site
                 unset($SESSION->wantsurl);