[CRYPTO] all: Add missing cra_alignmask

The "des3_ede" and "serpent" lack cra_alignmask.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/des.c b/crypto/des.c
index 7bb5486..2d74cab 100644
--- a/crypto/des.c
+++ b/crypto/des.c
@@ -965,6 +965,7 @@
 	.cra_blocksize		=	DES3_EDE_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof(struct des3_ede_ctx),
 	.cra_module		=	THIS_MODULE,
+	.cra_alignmask		=	3,
 	.cra_list		=	LIST_HEAD_INIT(des3_ede_alg.cra_list),
 	.cra_u			=	{ .cipher = {
 	.cia_min_keysize	=	DES3_EDE_KEY_SIZE,