Don't redefine MAX if it already exists.

diff --git a/src/route.c b/src/route.c
index 3d8d54a..1caf738 100644 (file)
--- a/src/route.c
+++ b/src/route.c
@@ -50,7 +50,10 @@ static const size_t ip6_size = sizeof(struct ip6_hdr);
 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
 
 /* RFC 1071 */