netfilter: ctnetlink: fix ctnetlink_parse_tuple() warning

net/netfilter/nf_conntrack_netlink.c: In function 'ctnetlink_parse_tuple':
net/netfilter/nf_conntrack_netlink.c:832:11: warning: comparison between 'enum ctattr_tuple' and 'enum ctattr_type'

Use ctattr_type for the 'type' parameter since that's the type of all attributes
passed to this function.

Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 61c7394..cb1a819 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -803,7 +803,7 @@
 static int
 ctnetlink_parse_tuple(const struct nlattr * const cda[],
 		      struct nf_conntrack_tuple *tuple,
-		      enum ctattr_tuple type, u_int8_t l3num)
+		      enum ctattr_type type, u_int8_t l3num)
 {
 	struct nlattr *tb[CTA_TUPLE_MAX+1];
 	int err;