bgpd: Fix merge error in jhash commit

* bgp_attr.c: (attrhash_key_make) 98e30f should have changed jhash2 to jhash.

  These kinds of merge errors would be reduced and life would be easier if
  people would submit fully-formed fixes that could be chucked directly into
  git-am.
diff --git a/bgpd/bgp_attr.c b/bgpd/bgp_attr.c
index 7e30265..01598c8 100644
--- a/bgpd/bgp_attr.c
+++ b/bgpd/bgp_attr.c
@@ -373,8 +373,8 @@
 
 #ifdef HAVE_IPV6
       MIX(attr->extra->mp_nexthop_len);
-      key = jhash2(attr->extra->mp_nexthop_global.s6_addr, 16, key);
-      key = jhash2(attr->extra->mp_nexthop_local.s6_addr, 16, key);
+      key = jhash(attr->extra->mp_nexthop_global.s6_addr, 16, key);
+      key = jhash(attr->extra->mp_nexthop_local.s6_addr, 16, key);
 #endif /* HAVE_IPV6 */
     }