Restore libgcrypt support.

[tinc] / src / route.c

diff --git a/src/route.c b/src/route.c
index 26a8aab..79832dc 100644 (file)
--- a/src/route.c
+++ b/src/route.c
@@ -54,10 +54,6 @@ static const size_t icmp6_size = sizeof(struct icmp6_hdr);
 static const size_t ns_size = sizeof(struct nd_neighbor_solicit);
 static const size_t opt_size = sizeof(struct nd_opt_hdr);
 
-#ifndef MAX
-#define MAX(a, b) ((a) > (b) ? (a) : (b))
-#endif
-
 static timeout_t age_subnets_timeout;
 
 /* RFC 1071 */
@@ -485,7 +481,7 @@ static void clamp_mss(const node_t *source, const node_t *via, vpn_packet_t *pac
                csum += csum >> 16;
                csum ^= 0xffff;
                DATA(packet)[start + 16] = csum >> 8;
-               DATA(packet)[start + 17] = csum;
+               DATA(packet)[start + 17] = csum & 0xff;
                break;
        }
 }