staging: rtl8712: Fix missing blank line warning

Fixes "Missing a blank line after declarations" checkpatch.pl warning in
usb_ops_linux.c

Signed-off-by: Melike Yurtoglu <aysemelikeyurtoglu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/usb_ops_linux.c

@@ -216,6 +216,7 @@ static void r8712_usb_read_port_complete(struct urb *purb)
 						0, (unsigned char *)precvbuf);
 			} else {
 				_pkt *pskb = precvbuf->pskb;
+
 				skb_put(pskb, purb->actual_length);
 				skb_queue_tail(&precvpriv->rx_skb_queue, pskb);
 				tasklet_hi_schedule(&precvpriv->recv_tasklet);