uhttpd: fix building without TLS and Lua support

Adds ifdefs to fix building without TLS and Lua support

Signed-off-by: Paul Willoughby <paulw@spacemonkey.com>

client.c

@@ -557,11 +557,13 @@ void uh_client_notify_state(struct client *cl)
 		if (!s->eof || s->w.data_bytes)
 			return;
 
+#ifdef HAVE_TLS
 		if (cl->tls && cl->ssl.conn && cl->ssl.conn->w.data_bytes) {
 			cl->ssl.conn->eof = s->eof;
 			if (!ustream_write_pending(cl->ssl.conn))
 				return;
 		}
+#endif
 	}
 
 	return client_close(cl);

main.c

@@ -220,6 +220,7 @@ static void fixup_prefix(char *str)
 	str[len + 1] = 0;
 }
 
+#ifdef HAVE_LUA
 static void add_lua_prefix(const char *prefix, const char *handler) {
 	struct lua_prefix *p;
 	char *pprefix, *phandler;
@@ -236,6 +237,7 @@ static void add_lua_prefix(const char *prefix, const char *handler) {
 
 	list_add_tail(&p->list, &conf.lua_prefix);
 }
+#endif
 
 int main(int argc, char **argv)
 {