[issue22636] avoid using a shell in ctypes.util: replace os.popen with subprocess

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

ctypes_util_popen-6.py2.patch LGTM.

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22636>
_______________________________________