Fix floating point issues on Windows.

runtime/platform/floating_point_win.h

Index: runtime/platform/floating_point_win.h
diff --git a/runtime/bin/socket_linux.h b/runtime/platform/floating_point_win.h
similarity index 53%
copy from runtime/bin/socket_linux.h
copy to runtime/platform/floating_point_win.h
index 4ad0db24f0ead33124fe2729e93d234b994d8928..a198581ac0eeb3178fbb2d81138f99e569e9bd22 100644
--- a/runtime/bin/socket_linux.h
+++ b/runtime/platform/floating_point_win.h
@@ -2,11 +2,10 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-#ifndef BIN_SOCKET_LINUX_H_
-#define BIN_SOCKET_LINUX_H_
+#ifndef PLATFORM_FLOATING_POINT_WIN_H_
+#define PLATFORM_FLOATING_POINT_WIN_H_
 
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <sys/socket.h>
+double atan2_ieee(double x, double y);
+double modulo(double x, double y);
 
-#endif  // BIN_SOCKET_LINUX_H_
+#endif  // PLATFORM_FLOATING_POINT_WIN_H_