staging: comedi: pcmuio: checkpatch.pl cleanup (missing blank line)

Fix the checkpatch.pl warning:

WARNING: Missing a blank line after declarations
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/pcmuio.c

@@ -333,6 +333,7 @@ static void pcmuio_handle_intr_subdev(struct comedi_device *dev,
 
 	for (i = 0; i < cmd->chanlist_len; i++) {
 		unsigned int chan = CR_CHAN(cmd->chanlist[i]);
+
 		if (triggered & (1 << chan))
 			val |= (1 << i);
 	}