ipv6: remove prune parameter for fib6_clean_all

since the prune parameter for fib6_clean_all always is 0, remove it.

Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 2182525..aca0c27 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -282,7 +282,7 @@
 			      const struct in6_addr *saddr, int src_len);
 
 void fib6_clean_all(struct net *net, int (*func)(struct rt6_info *, void *arg),
-		    int prune, void *arg);
+		    void *arg);
 
 int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info);