Review Request 129657: Fix assert (in beginRemoveRows) when deselecting an empty child of a selected child in korganizer

[David Faure]

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https://git.reviewboard.kde.org/r/129657/
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Review request for KDE Frameworks and Stephen Kelly.


Repository: kitemmodels


Description
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After
   int proxyEndRemove = proxyStartRemove;
   proxyEndRemove += rc; was adding 0 (empty root)
and then --proxyEndRemove; was making us end up with proxyEndRemove < 
proxyStartRemove.


Diffs
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  autotests/kselectionproxymodeltest.cpp 
483e7c42dabab6aa560622ff0418ee7f90363e15 
  src/kselectionproxymodel.cpp 0f57c70f05d4cbde9b14f4257bff1365ef5443f6 

Diff: https://git.reviewboard.kde.org/r/129657/diff/


Testing
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New unittest + unchecking calendar in korganizer no longer asserts.


Thanks,

David Faure