Staging: comedi: ni_tio Fixed whitespace coding style warnings

Fixed coding style warnings in ni_tio.h which had an extra space
after the function pointer name.
Signed-off-by: Nick Davies <git@nicolasdavies.com.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/ni_tio.h

@@ -115,9 +115,9 @@ struct ni_gpct {
 
 struct ni_gpct_device {
 	struct comedi_device *dev;
-	void (*write_register) (struct ni_gpct *counter, unsigned bits,
+	void (*write_register)(struct ni_gpct *counter, unsigned bits,
 			       enum ni_gpct_register reg);
-	unsigned (*read_register) (struct ni_gpct *counter,
+	unsigned (*read_register)(struct ni_gpct *counter,
 				  enum ni_gpct_register reg);
 	enum ni_gpct_variant variant;
 	struct ni_gpct *counters;