staging: comedi: das08_isa: rename 'thisboard' variables

For aesthetics, rename the 'thisboard' variables to 'board'. That name
is more commonly used for the boardinfo pointer in comedi drivers.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/das08_isa.c

@@ -168,7 +168,7 @@ static const struct das08_board_struct das08_isa_boards[] = {
 static int das08_isa_attach(struct comedi_device *dev,
 			    struct comedi_devconfig *it)
 {
-	const struct das08_board_struct *thisboard = dev->board_ptr;
+	const struct das08_board_struct *board = dev->board_ptr;
 	struct das08_private_struct *devpriv;
 	int ret;
 
@@ -176,7 +176,7 @@ static int das08_isa_attach(struct comedi_device *dev,
 	if (!devpriv)
 		return -ENOMEM;
 
-	ret = comedi_request_region(dev, it->options[0], thisboard->iosize);
+	ret = comedi_request_region(dev, it->options[0], board->iosize);
 	if (ret)
 		return ret;