Use sourcecode for libjuice

thirdparty/libjuice/src/timestamp.h

@@ -0,0 +1,20 @@
+/**
+ * Copyright (c) 2020 Paul-Louis Ageneau
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef JUICE_TIMESTAMP_H
+#define JUICE_TIMESTAMP_H
+
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef int64_t timestamp_t;
+typedef timestamp_t timediff_t;
+
+timestamp_t current_timestamp();
+
+#endif