[PATCH] dnsproxy: Fix cached ttl update

This bug was exposed after fixing the signedness comparison warnings
found in dnsproxy.c update_cached_ttl() consistently comes up two
bytes short when processing the last record.
---
 src/dnsproxy.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/dnsproxy.c b/src/dnsproxy.c
index d4242560..506e1b9d 100644
--- a/src/dnsproxy.c
+++ b/src/dnsproxy.c
@@ -508,8 +508,7 @@ static void send_cached_response(int sk, const unsigned char *ptr, size_t len,
 	if (answers == 0)
 		hdr->aa = 1;
 	else {
-		const int adj_len = len - 2;
-		update_cached_ttl((unsigned char *)hdr, adj_len, ttl);
+		update_cached_ttl((unsigned char *)hdr, len, ttl);
 	}
 
 	debug("sk %d id 0x%04x answers %d ptr %p length %zd dns %zd",
-- 
2.34.1