openvswitch: Fix the type of struct ovs_key_nd nd_target field.

Should be the same as other IPv6 address fields.

Current master produces sparse warnings without this change.

Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
diff --git a/include/uapi/linux/openvswitch.h b/include/uapi/linux/openvswitch.h
index 631056b..26c36c4 100644
--- a/include/uapi/linux/openvswitch.h
+++ b/include/uapi/linux/openvswitch.h
@@ -400,9 +400,9 @@
 };
 
 struct ovs_key_nd {
-	__u32 nd_target[4];
-	__u8  nd_sll[ETH_ALEN];
-	__u8  nd_tll[ETH_ALEN];
+	__be32	nd_target[4];
+	__u8	nd_sll[ETH_ALEN];
+	__u8	nd_tll[ETH_ALEN];
 };
 
 /**