net/core/dev.c: Update WARN uses

Coalesce long formats.
Add missing newlines.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/dev.c b/net/core/dev.c
index 0dd54a6..5968c82 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1817,8 +1817,7 @@
 		if (dev && dev->ethtool_ops && dev->ethtool_ops->get_drvinfo)
 			dev->ethtool_ops->get_drvinfo(dev, &info);
 
-		WARN(1, "%s: caps=(0x%lx, 0x%lx) len=%d data_len=%d "
-			"ip_summed=%d",
+		WARN(1, "%s: caps=(0x%lx, 0x%lx) len=%d data_len=%d ip_summed=%d\n",
 		     info.driver, dev ? dev->features : 0L,
 		     skb->sk ? skb->sk->sk_route_caps : 0L,
 		     skb->len, skb->data_len, skb->ip_summed);