--- sys/netinet6/nd6.h	(svn+ssh://svn.freebsd.org/base/head)	(revision 261548)
+++ sys/netinet6/nd6.h	(working copy)
@@ -391,7 +391,7 @@ void nd6_destroy(void);
 #endif
 struct nd_ifinfo *nd6_ifattach(struct ifnet *);
 void nd6_ifdetach(struct nd_ifinfo *);
-int nd6_is_addr_neighbor(struct sockaddr_in6 *, struct ifnet *);
+int nd6_is_addr_neighbor(struct in6_addr *, struct ifnet *);
 void nd6_option_init(void *, int, union nd_opts *);
 struct nd_opt_hdr *nd6_option(union nd_opts *);
 int nd6_options(union nd_opts *);