[IPV4]: struct fib_config IPv4 address fields annotated

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/ip_fib.h

@@ -30,13 +30,13 @@ struct fib_config {
 	u8			fc_type;
 	/* 1 byte unused */
 	u32			fc_table;
-	u32			fc_dst;
-	u32			fc_src;
-	u32			fc_gw;
+	__be32			fc_dst;
+	__be32			fc_src;
+	__be32			fc_gw;
 	int			fc_oif;
 	u32			fc_flags;
 	u32			fc_priority;
-	u32			fc_prefsrc;
+	__be32			fc_prefsrc;
 	struct nlattr		*fc_mx;
 	struct rtnexthop	*fc_mp;
 	int			fc_mx_len;

net/ipv4/fib_frontend.c

@@ -273,7 +273,7 @@ static int put_rtax(struct nlattr *mx, int len, int type, u32 value)
 static int rtentry_to_fib_config(int cmd, struct rtentry *rt,
 				 struct fib_config *cfg)
 {
-	u32 addr;
+	__be32 addr;
 	int plen;
 
 	memset(cfg, 0, sizeof(*cfg));