[IPV6]: Preserve procfs IPV6 address output format

Procfs always output IPV6 addresses without the colon
characters, and we cannot change that.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 72bd08a..840a33d 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -532,7 +532,7 @@
 	struct ac6_iter_state *state = ac6_seq_private(seq);
 
 	seq_printf(seq,
-		   "%-4d %-15s " NIP6_FMT " %5d\n",
+		   "%-4d %-15s " NIP6_SEQFMT " %5d\n",
 		   state->dev->ifindex, state->dev->name,
 		   NIP6(im->aca_addr),
 		   im->aca_users);