make things compile

controller/CtlUtil.hpp

@@ -0,0 +1,16 @@
+#ifndef ZT_CTLUTIL_HPP
+#define ZT_CTLUTIL_HPP
+
+#include <vector>
+#include <string>
+
+namespace ZeroTier {
+
+    const char *_timestr();
+
+    std::vector<std::string> split(std::string str, char delim);
+
+    std::string url_encode(const std::string &value);
+}
+
+#endif // namespace ZeroTier