Staging: rtl8192e: Fix Sparse Warning of restricted __le16 degrades to integer in rtllib_tx.c

This patch fixes the following sparse warning in rtllib_tx.c-
warning: restricted __le16 degrades to integer
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtllib_tx.c

@@ -815,7 +815,7 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev)
 					 cpu_to_le16(rtllib_query_seqnum(ieee, skb_frag,
 							     header.addr1));
 				frag_hdr->seq_ctl =
-					 cpu_to_le16(frag_hdr->seq_ctl<<4 | i);
+					 cpu_to_le16(le16_to_cpu(frag_hdr->seq_ctl)<<4 | i);
 			} else {
 				frag_hdr->seq_ctl =
 					 cpu_to_le16(ieee->seq_ctrl[0]<<4 | i);