ALSA: snd-usb-caiaq: rename 'dev' to 'cdev'

This is needed in order to make the device namespace cleaner, and will
help when moving this driver over to dev_*() logging.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/usb/caiaq/control.h

@@ -1,6 +1,6 @@
 #ifndef CAIAQ_CONTROL_H
 #define CAIAQ_CONTROL_H
 
-int snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *dev);
+int snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *cdev);
 
 #endif /* CAIAQ_CONTROL_H */