tcp: tcp_limit_reno_sacked can become static

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 9f8a80b..d67b6e9 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1940,7 +1940,7 @@
 /* Limits sacked_out so that sum with lost_out isn't ever larger than
  * packets_out. Returns zero if sacked_out adjustement wasn't necessary.
  */
-int tcp_limit_reno_sacked(struct tcp_sock *tp)
+static int tcp_limit_reno_sacked(struct tcp_sock *tp)
 {
 	u32 holes;