[DCCP]: ditch dccp_v[46]_ctl_send_ack

Merging it with its only user: dccp_v[46]_reqsk_send_ack.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 64b7f8b..80d450b 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -197,7 +197,8 @@
 	} /* else let the usual retransmit timer handle it */
 }
 
-static void dccp_v4_ctl_send_ack(struct sk_buff *rxskb)
+static void dccp_v4_reqsk_send_ack(struct sk_buff *rxskb,
+				   struct request_sock *req)
 {
 	int err;
 	struct dccp_hdr *rxdh = dccp_hdr(rxskb), *dh;
@@ -245,12 +246,6 @@
 	}
 }
 
-static void dccp_v4_reqsk_send_ack(struct sk_buff *skb,
-				   struct request_sock *req)
-{
-	dccp_v4_ctl_send_ack(skb);
-}
-
 static int dccp_v4_send_response(struct sock *sk, struct request_sock *req,
 				 struct dst_entry *dst)
 {