[media] altera-ci.h: add missing inline

Functions defined in a header should be static inline. This prevents
compile warnings like:

	'altera_ci_tuner_reset' defined but not used

(Actually appeared in the media backwards compatibility build).
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx23885/altera-ci.h

@@ -68,7 +68,7 @@ static inline int altera_ci_irq(void *dev)
 	return 0;
 }
 
-static int altera_ci_tuner_reset(void *dev, int ci_nr)
+static inline int altera_ci_tuner_reset(void *dev, int ci_nr)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return 0;