libertas: Byteswap cmdptr->size in lbs_cmd()

Bad Holger. Always test on big-endian machines, if it's little-endian
you need to be swapping to/from.
Signed-off-by: NDavid Woodhouse <dwmw2@infradead.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/cmd.c

@@ -2072,7 +2072,7 @@ int lbs_cmd(struct lbs_private *priv,
 	/* Set sequence number, clean result, move to buffer */
 	adapter->seqnum++;
 	cmdptr->command = cpu_to_le16(command);
-	cmdptr->size    = cmd_size + S_DS_GEN;
+	cmdptr->size    = cpu_to_le16(cmd_size + S_DS_GEN);
 	cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
 	cmdptr->result = 0;
 	memcpy(cmdptr->cmdresp, cmd, cmd_size);