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/exthdrs.c b/net/ipv6/exthdrs.c
index a890514..1c7f400 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -219,7 +219,7 @@
 
 	if (!(ipv6_addr_type(&hao->addr) & IPV6_ADDR_UNICAST)) {
 		LIMIT_NETDEBUG(
-			KERN_DEBUG "hao is not an unicast addr: %p6\n", &hao->addr);
+			KERN_DEBUG "hao is not an unicast addr: %pI6\n", &hao->addr);
 		goto discard;
 	}