netfilter: nf_tables: fix module autoload for redir

[ Upstream commit f41828ee ]

Fix expression for autoloading.

Fixes: 5142967a ("netfilter: nf_tables: fix module autoload with inet family")
Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>