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

[Martin Panter]

Martin Panter added the comment:

Sorry about impersonating your name as committer Victor. I have been fixing this problem in recent patches, but because I imported your patch a while ago I forgot about it.

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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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