From 21d1989e0588a2da6dc1d60c89d9e0941fa9ded8 Mon Sep 17 00:00:00 2001
From: Wouter Wijngaards <wouter@nlnetlabs.nl>
Date: Tue, 2 Jan 2018 13:36:17 +0000
Subject: [PATCH] fix oneoff

git-svn-id: file:///svn/unbound/trunk@4433 be551aaa-1e26-0410-a405-d3ace91eadb9
---
 validator/val_sigcrypt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/validator/val_sigcrypt.c b/validator/val_sigcrypt.c
index 951d79edb..2d52f0f5f 100644
--- a/validator/val_sigcrypt.c
+++ b/validator/val_sigcrypt.c
@@ -1236,7 +1236,7 @@ subtract_1918(uint32_t a, uint32_t b)
 		return b-a;
 	}
 	if(a > b && a - b > cutoff) {
-		return ((uint32_t)0xffffffff) - (a-b);
+		return ((uint32_t)0xffffffff) - (a-b-1);
 	}
 	/* wrong case, b smaller than a */
 	return 0;