Staging: bcm2835-audio: fixed a code style issue:

Missing a blank line after declarations
Signed-off-by: Bo YU <tsu.yubo@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/bcm2835-audio/bcm2835-pcm.c

@@ -450,6 +450,7 @@ static int snd_bcm2835_pcm_lib_ioctl(struct snd_pcm_substream *substream,
 	unsigned int cmd, void *arg)
 {
 	int ret = snd_pcm_lib_ioctl(substream, cmd, arg);
+
 	audio_info(" .. substream=%p, cmd=%d, arg=%p (%x) ret=%d\n", substream,
 		cmd, arg, arg ? *(unsigned *) arg : 0, ret);
 	return ret;