staging: comedi: ni_usb6501: replace spaces with tabs

ni6501_auto_attach(): replace spaces with tabs to get proper alignment

Signed-off-by: Luca Ellero <luca.ellero@brickedbrain.com>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/ni_usb6501.c

@@ -418,8 +418,8 @@ static int ni6501_auto_attach(struct comedi_device *dev,
 	s->n_chan	= 24;
 	s->maxdata	= 1;
 	s->range_table	= &range_digital;
-	s->insn_bits = ni6501_dio_insn_bits;
-	s->insn_config = ni6501_dio_insn_config;
+	s->insn_bits	= ni6501_dio_insn_bits;
+	s->insn_config	= ni6501_dio_insn_config;
 
 	return 0;
 }