[Eager] fix windows overflow error

[veyron95]

PR types

Bug fixes

PR changes

Others

Describe

Bug fixes --- 修复PaddleSeg模型报错问题

Linux 机器
int, long, long long, sizeof 分别是 4 8 8

Windows 机器
int, long, long long, sizeof 分别是 4 4 8

原代码：
other = static_cast<float>(CastPyArg2AttrInt(other_obj, 0));

在 windows 机器下，PyLong_AsLong 接收 8 字节的数据会 overflow

int CastPyArg2AttrInt(PyObject* obj, ssize_t arg_pos) {
  if (PyObject_CheckLongOrConvertToLong(&obj)) {
    return static_cast<int>(PyLong_AsLong(obj)); // overflow 发生的地方
  } else {
    PADDLE_THROW(platform::errors::InvalidArgument(
        "argument (position %d) must be "
        "int, but got %s",
        arg_pos + 1,
        (reinterpret_cast<PyTypeObject*>(obj->ob_type))->tp_name));
  }
}

现代码：
other = CastPyArg2AttrFloat(other_obj, 0);
内部返回 static_cast< float >(PyFloat_AsDouble(obj)); 可以避免因接收 8 字节数据导致的 overflow 问题

[paddle-bot]

你的PR提交成功，感谢你对开源项目的贡献!
请关注后续CI自动化测试结果，详情请参考Paddle-CI手册。
Your PR has been submitted. Thanks for your contribution!
Please wait for the result of CI firstly. See Paddle CI Manual for details.

[wanghuancoder]

LGTM