Add missing use-statement

Author: tvdijen

src/IdP/ADFS.php

@@ -48,6 +48,7 @@
 use SimpleSAML\WSSecurity\XML\wsse\UsernameToken;
 use SimpleSAML\WSSecurity\XML\wst_200502\KeyType;
 use SimpleSAML\WSSecurity\XML\wst_200502\Lifetime;
+use SimpleSAML\WSSecurity\XML\wst_200502\RequestedAttachedReference;
 use SimpleSAML\WSSecurity\XML\wst_200502\RequestedSecurityToken;
 use SimpleSAML\WSSecurity\XML\wst_200502\RequestedUnattachedReference;
 use SimpleSAML\WSSecurity\XML\wst_200502\RequestSecurityToken;