ALSA: snd_usb_caiaq: clean whitespaces

Cosmetic changes only, no code change.
Signed-off-by: NDaniel Mack <daniel@caiaq.de>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

sound/usb/caiaq/device.c

@@ -250,7 +250,7 @@ int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev,
 	return dev->audio_parm_answer == 1 ? 0 : -EINVAL;
 }
 
-int snd_usb_caiaq_set_auto_msg (struct snd_usb_caiaqdev *dev, 
+int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *dev,
 			       int digital, int analog, int erp)
 {
 	char tmp[3] = { digital, analog, erp };