staging: comedi: ni_daq_700: use a local var to fix a > 80 char line issue

The 'data[1] = ...' line is currently kept < 80 chars by breaking a pointer
access after the '->'. This makes the code a bit confusing to follow. Use
a local variable to shorten the line and make it clearer.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/ni_daq_700.c

@@ -80,6 +80,7 @@ static int subdev_700_insn_config(struct comedi_device *dev,
 				  struct comedi_subdevice *s,
 				  struct comedi_insn *insn, unsigned int *data)
 {
+	unsigned int chan = 1 << CR_CHAN(insn->chanspec);
 
 	switch (data[0]) {
 	case INSN_CONFIG_DIO_INPUT:
@@ -87,10 +88,7 @@ static int subdev_700_insn_config(struct comedi_device *dev,
 	case INSN_CONFIG_DIO_OUTPUT:
 		break;
 	case INSN_CONFIG_DIO_QUERY:
-		data[1] =
-		    (s->
-		     io_bits & (1 << CR_CHAN(insn->chanspec))) ? COMEDI_OUTPUT :
-		    COMEDI_INPUT;
+		data[1] = (s->io_bits & chan) ? COMEDI_OUTPUT : COMEDI_INPUT;
 		return insn->n;
 		break;
 	default: