[NET] IPV4: Fix whitespace errors.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 5ca7723..c1b34f1e 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -313,28 +313,28 @@
 		return;
 
 	/* In "safe" area, increase. */
-        if (tp->snd_cwnd <= tp->snd_ssthresh)
+	if (tp->snd_cwnd <= tp->snd_ssthresh)
 		tcp_slow_start(tp);
 
- 	/* In dangerous area, increase slowly. */
+	/* In dangerous area, increase slowly. */
 	else if (sysctl_tcp_abc) {
- 		/* RFC3465: Appropriate Byte Count
- 		 * increase once for each full cwnd acked
- 		 */
- 		if (tp->bytes_acked >= tp->snd_cwnd*tp->mss_cache) {
- 			tp->bytes_acked -= tp->snd_cwnd*tp->mss_cache;
- 			if (tp->snd_cwnd < tp->snd_cwnd_clamp)
- 				tp->snd_cwnd++;
- 		}
- 	} else {
- 		/* In theory this is tp->snd_cwnd += 1 / tp->snd_cwnd */
- 		if (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
- 			if (tp->snd_cwnd < tp->snd_cwnd_clamp)
- 				tp->snd_cwnd++;
- 			tp->snd_cwnd_cnt = 0;
- 		} else
- 			tp->snd_cwnd_cnt++;
- 	}
+		/* RFC3465: Appropriate Byte Count
+		 * increase once for each full cwnd acked
+		 */
+		if (tp->bytes_acked >= tp->snd_cwnd*tp->mss_cache) {
+			tp->bytes_acked -= tp->snd_cwnd*tp->mss_cache;
+			if (tp->snd_cwnd < tp->snd_cwnd_clamp)
+				tp->snd_cwnd++;
+		}
+	} else {
+		/* In theory this is tp->snd_cwnd += 1 / tp->snd_cwnd */
+		if (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
+			if (tp->snd_cwnd < tp->snd_cwnd_clamp)
+				tp->snd_cwnd++;
+			tp->snd_cwnd_cnt = 0;
+		} else
+			tp->snd_cwnd_cnt++;
+	}
 }
 EXPORT_SYMBOL_GPL(tcp_reno_cong_avoid);