[XFRM]: fl_ipsec_spi is net-endian

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/flow.h b/include/net/flow.h
index 5700b0a..ddf5f3c 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -73,7 +73,7 @@
 			__u8	objname[16]; /* Not zero terminated */
 		} dnports;
 
-		__u32		spi;
+		__be32		spi;
 
 #ifdef CONFIG_IPV6_MIP6
 		struct {