Fix the RARP protocol ID

The packet(s) sent out after migration are supposed to be RAPR type of
packets. If they are supposed to go anywhere useful, the RAPR ethernet
identifier needs to be fix.

Also see http://www.iana.org/assignments/ethernet-numbers for 0x8035 for
RARP.
Signed-off-by: NStefan Berger <stefanb@us.ibm.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

savevm.c

@@ -89,7 +89,7 @@ static BlockDriverState *bs_snapshots;
 #define SELF_ANNOUNCE_ROUNDS 5
 
 #ifndef ETH_P_RARP
-#define ETH_P_RARP 0x0835
+#define ETH_P_RARP 0x8035
 #endif
 #define ARP_HTYPE_ETH 0x0001
 #define ARP_PTYPE_IP 0x0800