Staging: rtl8192e: Fix Sparse Warning of invalid assignment in rtllib_tx.c

This patch fixes following sparse warnings:
drivers/staging/rtl8192e/rtllib_tx.c:942:45: warning: invalid assignment: +=
drivers/staging/rtl8192e/rtllib_tx.c:942:45:    left side has type unsigned long
drivers/staging/rtl8192e/rtllib_tx.c:942:45:    right side has type restricted __le16
drivers/staging/rtl8192e/rtllib_tx.c:947:49: warning: invalid assignment: +=
drivers/staging/rtl8192e/rtllib_tx.c:947:49:    left side has type unsigned long
drivers/staging/rtl8192e/rtllib_tx.c:947:49:    right side has type restricted __le16
Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtllib_tx.c

@@ -939,12 +939,12 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev)
 	if (txb) {
 		if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE) {
 			dev->stats.tx_packets++;
-			dev->stats.tx_bytes += txb->payload_size;
+			dev->stats.tx_bytes += le16_to_cpu(txb->payload_size);
 			rtllib_softmac_xmit(txb, ieee);
 		} else {
 			if ((*ieee->hard_start_xmit)(txb, dev) == 0) {
 				stats->tx_packets++;
-				stats->tx_bytes += txb->payload_size;
+				stats->tx_bytes += le16_to_cpu(txb->payload_size);
 				return 0;
 			}
 			rtllib_txb_free(txb);