Fix getmyip.h Windows build: use winsock2.h instead of sys/socket.h

lib/getmyip.h

@@ -9,8 +9,14 @@
 #define GETMYIP_H
 
 #include <stdint.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
+
+#ifdef _WIN32
+    #include <winsock2.h>
+    #include <ws2tcpip.h>
+#else
+    #include <sys/socket.h>
+    #include <netinet/in.h>
+#endif
 
 #ifdef __cplusplus
 extern "C" {