[issue21349] crash in winreg SetValueEx with memoryview

[Zachary Ware]

New submission from Zachary Ware:

The new test fails with the patch applied:

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ERROR: test_setvalueex_with_memoryview (__main__.LocalWinregTests)
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Traceback (most recent call last):
  File "P:\ath\to\2.7\cpython\lib\test\test_winreg.py", line 336, in test_setvalueex_with_memoryview
    SetValueEx(ck, "test_name", None, REG_BINARY, memoryview('val'))
TypeError: Objects of type 'memoryview' can not be used as binary registry values

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21349>
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