Fixed a small typo in the loopback driver

This is probably a result of the changes from commit
854d836 - [NET]: Dynamically allocate the loopback device, part 2

Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 662b8d1..fa147cd 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -242,7 +242,7 @@
 		| NETIF_F_NO_CSUM
 		| NETIF_F_HIGHDMA
 		| NETIF_F_LLTX
-		| NETIF_F_NETNS_LOCAL,
+		| NETIF_F_NETNS_LOCAL;
 	dev->ethtool_ops	= &loopback_ethtool_ops;
 	dev->header_ops		= &eth_header_ops;
 	dev->init = loopback_dev_init;