staging: rtl8712: fix coding style error reported from checkpatch

removed the following:
ERROR: code indent should use tabs where possible
WARNING: please, no spaces at the start of a line
WARNING: Statements should start on a tabstop
Signed-off-by: Omri Arad <omriarad3@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/rtl871x_ioctl_linux.c

@@ -1976,9 +1976,9 @@ static int r871x_get_ap_info(struct net_device *dev,
 	if (pdata->length >= 32) {
 		if (copy_from_user(data, pdata->pointer, 32))
 			return -EINVAL;
-                data[32] = 0;
+		data[32] = 0;
 	} else {
-		 return -EINVAL;
+		return -EINVAL;
 	}
 	spin_lock_irqsave(&(pmlmepriv->scanned_queue.lock), irqL);
 	phead = &queue->queue;