netfilter: nft_redir: correct value of inet type `.maxattrs`

netfilter: nft_redir: correct value of inet type `.maxattrs`

[ Upstream commit 7c1e764b9009b6e37f05cd584cef31a9b4f6f520 ]

`nft_redir_inet_type.maxattrs` was being set, presumably because of a
cut-and-paste error, to `NFTA_MASQ_MAX`, instead of `NFTA_REDIR_MAX`.

Fixes: d4fde61fd9d3 ("netfilter: nft_redir: add inet support")
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>