upstream commit

#if 0 some more arrays used only for decrypting (we don't
 use since we only need encrypt for AES-CTR)
diff --git a/rijndael.c b/rijndael.c
index b352a11..40ab7b1 100644
--- a/rijndael.c
+++ b/rijndael.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rijndael.c,v 1.19 2014/11/18 22:38:48 mikeb Exp $ */
+/*	$OpenBSD: rijndael.c,v 1.20 2015/03/16 11:09:52 djm Exp $ */
 
 /**
  * rijndael-alg-fst.c