[PATCH net-next] rxrpc: Make IPv6 support conditional on CONFIG_IPV6

[David Miller]

From: David Howells <dhowells at redhat.com>
Date: Sat, 17 Sep 2016 07:26:01 +0100

> Add CONFIG_AF_RXRPC_IPV6 and make the IPv6 support code conditional on it.
> This is then made conditional on CONFIG_IPV6.
> 
> Without this, the following can be seen:
> 
>    net/built-in.o: In function `rxrpc_init_peer':
>>> peer_object.c:(.text+0x18c3c8): undefined reference to `ip6_route_output_flags'
> 
> Reported-by: kbuild test robot <fengguang.wu at intel.com>
> Signed-off-by: David Howells <dhowells at redhat.com>

Applied.