Staging: comedi: fixed warnings reported by checkpatch tool on comedi_test.c file

This is a patch to remove warnings reported by checkpatch tool on
comedi_test.c file
Signed-off-by: Raghavendra Chandra Ganiga <ravi23ganiga@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/comedi_test.c

@@ -188,6 +188,7 @@ static void waveform_ai_interrupt(unsigned long arg)
 
 	if (cmd->stop_src == TRIG_COUNT) {
 		unsigned int remaining = cmd->stop_arg - devpriv->ai_count;
+
 		if (num_scans >= remaining) {
 			/* about to finish */
 			num_scans = remaining;
@@ -198,6 +199,7 @@ static void waveform_ai_interrupt(unsigned long arg)
 	for (i = 0; i < num_scans; i++) {
 		for (j = 0; j < cmd->chanlist_len; j++) {
 			unsigned short sample;
+
 			sample = fake_waveform(dev, CR_CHAN(cmd->chanlist[j]),
 					       CR_RANGE(cmd->chanlist[j]),
 					       devpriv->usec_current +