V4L/DVB (8742): pvrusb2: use proper byteorder interface

___swab32 is an internal detail of the implementation.
Acked-by: NMike Isely <isely@pobox.com>
Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/pvrusb2/pvrusb2-hdw.c

@@ -1314,8 +1314,7 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw)
 		memcpy(fw_ptr, fw_entry->data + fw_done, bcnt);
 		/* Usbsnoop log shows that we must swap bytes... */
 		for (icnt = 0; icnt < bcnt/4 ; icnt++)
-			((u32 *)fw_ptr)[icnt] =
-				___swab32(((u32 *)fw_ptr)[icnt]);
+			((u32 *)fw_ptr)[icnt] = swab32(((u32 *)fw_ptr)[icnt]);
 
 		ret |= usb_bulk_msg(hdw->usb_dev, pipe, fw_ptr,bcnt,
 				    &actual_length, HZ);