net: replace %p6 with %pI6

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 9bc43f2..7a8a013 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -419,7 +419,7 @@
 	if (!x)
 		return;
 
-	NETDEBUG(KERN_DEBUG "pmtu discovery on SA AH/%08x/%p6\n",
+	NETDEBUG(KERN_DEBUG "pmtu discovery on SA AH/%08x/%pI6\n",
 		 ntohl(ah->spi), &iph->daddr);
 
 	xfrm_state_put(x);