[issue13757] os.fdlistdir() should not close the file descriptor given in argument

[Ross Lagerwall]

Ross Lagerwall <rosslagerwall at gmail.com> added the comment:

The reason I made it like that was that it seemed "closer" to the fdopendir() function which steals the fd for internal use.

However, I agree that it makes more sense to dup() it.

Patch looks good.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue13757>
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