Review Request 22387: Windows swig warns about a union nested in a struct

[Chug Rolke]

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https://reviews.apache.org/r/22387/
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Review request for qpid.


Bugs: PROTON-601
    https://issues.apache.org/jira/browse/PROTON-601


Repository: qpid


Description
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The fix is to take the union out of the struct.


Diffs
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Diff: https://reviews.apache.org/r/22387/diff/


Testing
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passes ctest windows and linux


Thanks,

Chug Rolke