userns: Allow USER_NS and NET simultaneously in Kconfig

Now that the networking core is user namespace safe allow
networking and user namespaces to be built at the same time.

Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

init/Kconfig

@@ -942,7 +942,7 @@ config UIDGID_CONVERTED
 	depends on PROC_EVENTS = n
 
 	# Networking
-	depends on NET = n
+	depends on PACKET = n
 	depends on NET_9P = n
 	depends on IPX = n
 	depends on PHONET = n