[pypy-issue] Issue #3069: pypy3.6 on windows: incorrect line separator (pypy/pypy)

[Anthony Sottile]

New issue 3069: pypy3.6 on windows: incorrect line separator
https://bitbucket.org/pypy/pypy/issues/3069/pypy36-on-windows-incorrect-line-separator

Anthony Sottile:

```
$ echo 'print("hello world") > t.py
$ ./pypy3.exe -c 'import sys, subprocess; print(subprocess.check_output((sys.executable, "t.py")))'
b'hello world\n'
$ C:/python36-32/python.exe -c 'import sys, subprocess; print(subprocess.check_output((sys.executable, "t.py")))'
b'hello world\r\n'
```

‌

```
$ ./pypy3 --version
Python 3.6.1 (784b254d6699, Apr 16 2019, 12:10:48)
[PyPy 7.1.1-beta0 with MSC v.1910 32 bit]
```