sony-laptop: sony_nc_ids[] can become static.

Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Signed-off-by: NMattia Dongili <malattia@linux.it>
Signed-off-by: NLen Brown <len.brown@intel.com>

drivers/misc/sony-laptop.c

@@ -845,7 +845,7 @@ static struct sony_nc_event sony_C_events[] = {
 };
 
 /* SNC-only model map */
-struct dmi_system_id sony_nc_ids[] = {
+static struct dmi_system_id sony_nc_ids[] = {
 		{
 			.ident = "Sony Vaio FE Series",
 			.callback = sony_nc_C_enable,