Shib13:IdP: Add urn:mace:shibboleth:1.0 to supported protocols.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2343 44740490-163a-0410-bde0-09ae8108e29a

lib/SimpleSAML/Metadata/SAMLBuilder.php

@@ -438,6 +438,7 @@ class SimpleSAML_Metadata_SAMLBuilder {
 
 		$e = new SAML2_XML_md_IDPSSODescriptor();
 		$e->protocolSupportEnumeration[] = 'urn:oasis:names:tc:SAML:1.1:protocol';
+		$e->protocolSupportEnumeration[] = 'urn:mace:shibboleth:1.0';
 
 		$this->addCertificate($e, $metadata);