missed cong_avoid() instance

	Removal of rtt argument in ->cong_avoid() had missed tcp_htcp.c
instance.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

net/ipv4/tcp_htcp.c

diff --git a/net/ipv4/tcp_htcp.c b/net/ipv4/tcp_htcp.c
index 632c05a..08a02e6 100644
--- a/net/ipv4/tcp_htcp.c
+++ b/net/ipv4/tcp_htcp.c
@@ -225,7 +225,7 @@
 	return max((tp->snd_cwnd * ca->beta) >> 7, 2U);
 }
 
-static void htcp_cong_avoid(struct sock *sk, u32 ack, s32 rtt,
+static void htcp_cong_avoid(struct sock *sk, u32 ack,
 			    u32 in_flight, int data_acked)
 {
 	struct tcp_sock *tp = tcp_sk(sk);