[media] media: rc: constify struct proto_names

Declare struct proto_names and its member name as const.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index ba5df4b..9d05d03 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -777,9 +777,9 @@
  * used by the sysfs protocols file. Note that the order
  * of the entries is relevant.
  */
-static struct {
+static const struct {
 	u64	type;
-	char	*name;
+	const char	*name;
 	const char	*module_name;
 } proto_names[] = {
 	{ RC_BIT_NONE,		"none",		NULL			},