Add Winsock2.h to tcp.cc for Windows

diff --git a/tcp.cc b/tcp.cc
index f5c8e5b75a1981795bb08f4f75087be5ea764120..19bfc37c44b4674dd81f55e5facecc6c6eae45c4 100644 (file)
--- a/tcp.cc
+++ b/tcp.cc
@@ -20,6 +20,7 @@
 */
 
 #ifdef WIN32
+#include <WinSock2.h>
 #include <Iphlpapi.h>
 #else
 #include <sys/types.h>