netfilter: x_tables: unbreak module auto loading

a typo causes module auto load support to never be compiled in.

Fixes: 03d13b6868 ("netfilter: xtables: add and use xt_request_find_table_lock")
Reported-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

net/netfilter/x_tables.c

@@ -1082,7 +1082,7 @@ struct xt_table *xt_request_find_table_lock(struct net *net, u_int8_t af,
 {
 	struct xt_table *t = xt_find_table_lock(net, af, name);
 
-#ifdef CONFIG_MODULE
+#ifdef CONFIG_MODULES
 	if (IS_ERR(t)) {
 		int err = request_module("%stable_%s", xt_prefix[af], name);
 		if (err)