saml: Add forgotten authentication source id to authsources example.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@1696 44740490-163a-0410-bde0-09ae8108e29a

config-templates/authsources.php

@@ -75,6 +75,7 @@ $config = array(
 	 * and Shibboleth 1.3 IdPs.
 	 */
 	'example-saml' => array(
+		'saml:SP',
 
 		/*
 		 * The entity ID of this SP.