[media] siano: make some functions static

drivers/media/common/siano/smsdvb-debugfs.c:51:6: warning: no previous prototype for 'smsdvb_print_dvb_stats' [-Wmissing-prototypes]
drivers/media/common/siano/smsdvb-debugfs.c:154:6: warning: no previous prototype for 'smsdvb_print_isdb_stats' [-Wmissing-prototypes]
drivers/media/common/siano/smsdvb-debugfs.c:244:6: warning: no previous prototype for 'smsdvb_print_isdb_stats_ex' [-Wmissing-prototypes]
drivers/media/common/siano/smscoreapi.c:832:5: warning: no previous prototype for 'smscore_configure_board' [-Wmissing-prototypes]
drivers/media/common/siano/smscoreapi.c:1301:5: warning: no previous prototype for 'smscore_init_device' [-Wmissing-prototypes]

Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/common/siano/smscoreapi.c

···
  *
  * @return 0 on success, <0 on error.
  */
-int smscore_configure_board(struct smscore_device_t *coredev)
+static int smscore_configure_board(struct smscore_device_t *coredev)
 {
 	struct sms_board *board;
 
···
  *
  * @return 0 on success, <0 on error.
  */
-int smscore_init_device(struct smscore_device_t *coredev, int mode)
+static int smscore_init_device(struct smscore_device_t *coredev, int mode)
 {
 	void *buffer;
 	struct sms_msg_data *msg;

drivers/media/common/siano/smsdvb-debugfs.c

···
 	wait_queue_head_t	stats_queue;
 };
 
-void smsdvb_print_dvb_stats(struct smsdvb_debugfs *debug_data,
+static void smsdvb_print_dvb_stats(struct smsdvb_debugfs *debug_data,
 			    struct sms_stats *p)
 {
 	int n = 0;
···
 	wake_up(&debug_data->stats_queue);
 }
 
-void smsdvb_print_isdb_stats(struct smsdvb_debugfs *debug_data,
+static void smsdvb_print_isdb_stats(struct smsdvb_debugfs *debug_data,
 			     struct sms_isdbt_stats *p)
 {
 	int i, n = 0;
···
 	wake_up(&debug_data->stats_queue);
 }
 
-void smsdvb_print_isdb_stats_ex(struct smsdvb_debugfs *debug_data,
+static void smsdvb_print_isdb_stats_ex(struct smsdvb_debugfs *debug_data,
 				struct sms_isdbt_stats_ex *p)
 {
 	int i, n = 0;