[TCP] Vegas: stop resetting rtt every ack

Move the resetting of rtt measurements to inside the once per RTT
block of code.

Signed-off-by: Thomas Young <tyo@ee.mu.oz.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c
index b7d296a..8f06a47 100644
--- a/net/ipv4/tcp_vegas.c
+++ b/net/ipv4/tcp_vegas.c
@@ -333,11 +333,11 @@
 			else if (tp->snd_cwnd > tp->snd_cwnd_clamp)
 				tp->snd_cwnd = tp->snd_cwnd_clamp;
 		}
-	}
 
-	/* Wipe the slate clean for the next RTT. */
-	vegas->cntRTT = 0;
-	vegas->minRTT = 0x7fffffff;
+		/* Wipe the slate clean for the next RTT. */
+		vegas->cntRTT = 0;
+		vegas->minRTT = 0x7fffffff;
+	}
 }
 
 /* Extract info for Tcp socket info provided via netlink. */