staging:r8188eu: remove unnecessary type cast for update_recvframe_phyinfo_88e argument

pphy_status alreay is (struct phy_stat *).
Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c

@@ -167,7 +167,7 @@ static int recvbuf2recvframe(struct adapter *adapt, struct sk_buff *pskb)
 		}
 		if (pattrib->pkt_rpt_type == NORMAL_RX) { /* Normal rx packet */
 			if (pattrib->physt)
-				update_recvframe_phyinfo_88e(precvframe, (struct phy_stat *)pphy_status);
+				update_recvframe_phyinfo_88e(precvframe, pphy_status);
 			if (rtw_recv_entry(precvframe) != _SUCCESS) {
 				RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
 					("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n"));