fix rubysocket build on win32
#define HAVE_INET_PTON 1
#define HAVE_TYPE_STRUCT_IP_MREQ 1
+
+#define HAVE_GETADDRINFO 1
+#define HAVE_GETNAMEINFO 1
+#define HAVE_FREEHOSTENT 1
+#define HAVE_FREEADDRINFO 1
+
//RHO
#define RUBY_MSVCRT_VERSION 140
