windows build fixes

test/endpoint_tcp.cpp

@@ -9,9 +9,15 @@
 #include <thespian/tcp.hpp>
 
 #include <cstring>
-#include <map>
 #include <utility>
 
+#if defined(_WIN32)
+#include <winsock2.h>
+#include <in6addr.h>
+#include <ws2ipdef.h>
+#include <ws2tcpip.h>
+#endif
+
 using cbor::any;
 using cbor::buffer;
 using cbor::extract;