tweaks: add a little change that was overlooked in the previous commit

Option --showcursor applies also to the help viewer, which means that
it can do something useful in restricted mode too.

src/nano.c

@@ -629,8 +629,7 @@ void usage(void)
 	print_opt(_("-f <file>"), _("--rcfile=<file>"),
 					N_("Use only this file for configuring nano"));
 #endif
-#ifdef ENABLE_BROWSER
-	if (!ISSET(RESTRICTED))
+#if defined(ENABLE_BROWSER) || defined(ENABLE_HELP)
 	print_opt("-g", "--showcursor", N_("Show cursor in file browser & help text"));
 #endif
 	print_opt("-h", "--help", N_("Show this help text and exit"));