Staging: comedi: addi-data: convert printk() to dev_err()

This patch for hwdrv_apci035.c changes a printk() call to a dev_err() call
since this is generally preferred.  It also removes a newline from the start
of the error message.
Signed-off-by: Chase Southwood <chase.southwood@yahoo.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.c

@@ -227,7 +227,7 @@ static int i_APCI035_ConfigTimerWatchdog(struct comedi_device *dev,
 			ui_Command = ui_Command & 0xFFF819E2UL;
 
 		} else {
-			printk("\n The parameter for Timer/watchdog selection is in error\n");
+			dev_err(dev->class_dev, "The parameter for Timer/watchdog selection is in error\n");
 			return -EINVAL;
 		}
 	}