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TQSampleVisitor::callVisit() return value

The TQSampleVisitor sometimes returns the number of samples visited and sometimes returns the status code. See the lines

https://gitlab.cern.ch/atlas-caf/CAFCore/blob/b3db83f8/QFramework/Root/TQSampleVisitor.cxx#L276
https://gitlab.cern.ch/atlas-caf/CAFCore/blob/b3db83f8/QFramework/Root/TQSampleVisitor.cxx#L282
https://gitlab.cern.ch/atlas-caf/CAFCore/blob/b3db83f8/QFramework/Root/TQSampleVisitor.cxx#L342

There's also a typo in the last line, where the if statement always evaluates to true, because visitIGNORE=9.

Edited by Konstantin Lehmann