staging: comedi: ni_daq_700: fix some trailing whitespace errors

checkpatch.pl reports 2 errors about trailing whitespace in this file.
Fix them.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/ni_daq_700.c

@@ -35,7 +35,7 @@ port, bit 0; channel 8 corresponds to the input port, bit 0.
 Digital direction configuration: channels 0-7 output, 8-15 input (8225 device
 emu as port A output, port B input, port C N/A).
 
-Analog: The input  range is 0 to 4095 for -10 to +10 volts 
+Analog: The input  range is 0 to 4095 for -10 to +10 volts
 IRQ is assigned but not used.
 
 Version 0.1	Original DIO only driver
@@ -178,7 +178,7 @@ static int daq700_ai_rinsn(struct comedi_device *dev,
  */
 static void daq700_ai_config(struct comedi_device *dev,
 			     struct comedi_subdevice *s)
-{			
+{
 	unsigned long iobase = dev->iobase;
 
 	outb(0x80, iobase + CMD_R1);	/* disable scanning, ADC to chan 0 */