printf hooks refactored to increase portability (i.e. support for platforms without glibc-compatible customizable printf - the Vstr string library is currently required on such platforms).

src/libstrongswan/plugins/x509/x509_cert.c

@@ -1010,7 +1010,7 @@ static bool is_newer(certificate_t *this, certificate_t *that)
 	this->get_validity(this, &now, &this_update, NULL);
 	that->get_validity(that, &now, &that_update, NULL);
 	new = this_update > that_update;
-	DBG1("  certificate from %#T is %s - existing certificate from %#T %s",
+	DBG1("  certificate from %T is %s - existing certificate from %T %s",
 				&this_update, FALSE, new ? "newer":"not newer",
 				&that_update, FALSE, new ? "replaced":"retained");
 	return new;