staging: bcm2835-audio: remove extra blank line

Fix the warning: Blank lines aren't necessary after an open brace
'{' issued by checkpatch on bcm2835-ctl.c
Signed-off-by: NAishwarya Pant <aishpant@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/bcm2835-audio/bcm2835-ctl.c

@@ -123,7 +123,6 @@ static int snd_bcm2835_ctl_put(struct snd_kcontrol *kcontrol,
 			goto unlock;
 		}
 		if (changed || (ucontrol->value.integer.value[0] != chip2alsa(chip->volume))) {
-
 			chip->volume = alsa2chip(ucontrol->value.integer.value[0]);
 			changed = 1;
 		}