*/
#include "internal.h"
-#include <saml/signature/SignatureProfileValidator.h>
+#include <sstream>
+#include <saml/signature/SignatureProfileValidator.h>
#include <xmltooling/security/CredentialCriteria.h>
#include <xmltooling/security/CredentialResolver.h>
#include <xmltooling/signature/KeyInfo.h>