fix overflow error

[konbraphat51]

bug

When tested minimal.py in Python 3.10, Windows 11 Pro

Traceback (most recent call last):
  File "C:\MY_PATH\python-eyex\eyex\api.py", line 75, in _event_handler
    self.eyex_dll.txGetAsyncDataContent(async_data, c.byref(event))
ctypes.ArgumentError: argument 1: OverflowError: int too long to convert
Exception ignored on calling ctypes callback function: <bound method EyeXInterface._event_handler of <eyex.api.EyeXInterface object at 0x000002303F28BD00>>

was looping.

fix

This fixes the typing error (int -> pointer)

After fix

It will works:

Sample(data_mode=2, timestamp=57272628.1625, x=1614.4129623337624, y=431.41974479601924)