Bug 1827955: display correct header on SAML metadata page

Behatnotneeded

Change-Id: Id4a2e64ae970dad25065ca38bc98de0a268c1c17
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>
(cherry picked from commit 0aa44264)

htdocs/auth/saml/sp/metadata.php

@@ -291,7 +291,7 @@ if (array_key_exists('output', $_REQUEST) && $_REQUEST['output'] == 'xhtml') {
     $t->data['clipboard.js'] = true;
     $t->data['available_certs'] = $availableCerts;
     $t->data['header'] = 'saml20-sp'; // TODO: Replace with headerString in 2.0
-    $t->data['headerString'] = $t->noop('metadata_saml20-idp');
+    $t->data['headerString'] = $t->noop('metadata_saml20-sp');
     $t->data['metaurl'] = get_config('wwwroot') . "auth/saml/sp/metadata.php";
     $t->data['metadata'] = htmlspecialchars($xml);
     $t->data['metadataflat'] = '$metadata[' . var_export($entityId, true) . '] = ' . var_export($metaArray20, true) . ';';