[NETNS][patch 1/1] fix allnoconfig compilation error

[Eric W. Biederman]

dlezcano at fr.ibm.com writes:

> From: Daniel Lezcano <dlezcano at fr.ibm.com>
>
> When CONFIG_NET=no, init_net is unresolved because net_namespace.c
> is not compiled and the include pull init_net definition.
>
> This problem was very similar with the ipc namespace where the kernel
> can be compiled with SYSV ipc out.
>
> This patch fix that defining a macro which simply remove init_net
> initialization from nsproxy namespace aggregator.
>
> Compiled and booted on qemu-i386 with CONFIG_NET=no and CONFIG_NET=yes.
>
> Signed-off-by: Daniel Lezcano <dlezcano at fr.ibm.com>
Acked-by: "Eric W. Biederman" <ebiederm at xmission.com>

This looks good and is quite simple.

My apologies for over looking the case where the networking stack is not
compiled in. 

Eric