make no-des and no-rc2 work.
diff --git a/Configure b/Configure
index af14a59..0c3b1dd 100755
--- a/Configure
+++ b/Configure
@@ -378,6 +378,7 @@
 		$depflags .= "-DNO_$algo ";
 		if ($algo eq "DES")
 			{
+			push @skip, "mdc2";
 			$options .= " no-mdc2";
 			$flags .= "-DNO_MDC2 ";
 			$depflags .= "-DNO_MDC2 ";