-static char *psz_css_list[] = { "title", "disc", "key" };
-static char *psz_css_list_text[] = { N_("title"), N_("Disc"), N_("Key") };
+static const char *psz_css_list[] = { "title", "disc", "key" };
+static const char *psz_css_list_text[] = { N_("title"), N_("Disc"), N_("Key") };