- make the first arg of the filter function passed to rtnl_dump_filter constant
  to match normal iproute. No obj-code changes.
diff --git a/networking/libiproute/ll_map.c b/networking/libiproute/ll_map.c
index 031b29a..f9b6970 100644
--- a/networking/libiproute/ll_map.c
+++ b/networking/libiproute/ll_map.c
@@ -39,7 +39,7 @@
 	return NULL;
 }
 
-int ll_remember_index(struct sockaddr_nl *who ATTRIBUTE_UNUSED,
+int ll_remember_index(const struct sockaddr_nl *who ATTRIBUTE_UNUSED,
 		struct nlmsghdr *n,
 		void *arg ATTRIBUTE_UNUSED)
 {