net: forward_alloc_get depends on CONFIG_MPTCP

(struct proto)->sk_forward_alloc is currently only used by MPTCP.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2021-11-15 11:02:38 -08:00 • committed by David S. Miller
commit 6c302e799a