[issue5622] wrong error from curses.wrapper if curses initialization fails

[Ned Deily]

Changes by Ned Deily <nad at acm.org>:


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keywords: +easy
nosy:  -BreamoreBoy
stage: unit test needed -> patch review
versions:  -Python 2.6

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue5622>
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