-static const char *ppsz_vdev[] = { "", "none" };
-static const char *ppsz_vdev_text[] = { N_("Default"), N_("None") };
-static const char *ppsz_adev[] = { "", "none" };
-static const char *ppsz_adev_text[] = { N_("Default"), N_("None") };
-static int pi_tuner_input[] = { 0, 1, 2 };
-static const char *ppsz_tuner_input_text[] =
+static const char *const ppsz_vdev[] = { "", "none" };
+static const char *const ppsz_vdev_text[] = { N_("Default"), N_("None") };
+static const char *const ppsz_adev[] = { "", "none" };
+static const char *const ppsz_adev_text[] = { N_("Default"), N_("None") };
+static const int pi_tuner_input[] = { 0, 1, 2 };
+static const char *const ppsz_tuner_input_text[] =