[BRIDGE]: make dev->features unsigned

The features field in netdevice is really a bitmask, and bitmask's should
be unsigned.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d8c65ec..470af8c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -401,7 +401,7 @@
 	} reg_state;
 
 	/* Net device features */
-	int			features;
+	unsigned long		features;
 #define NETIF_F_SG		1	/* Scatter/gather IO. */
 #define NETIF_F_IP_CSUM		2	/* Can checksum only TCP/UDP over IPv4. */
 #define NETIF_F_NO_CSUM		4	/* Does not require checksum. F.e. loopack. */