D12578: fix some issues reported by clazy

[Matthieu Gallien]

This revision was automatically updated to reflect the committed changes.
Closed by commit R293:f887468b172a: fix some issues reported by clazy (authored by mgallien).

REPOSITORY
  R293 Baloo

CHANGES SINCE LAST UPDATE
  https://phabricator.kde.org/D12578?vs=34389&id=34390

REVISION DETAIL
  https://phabricator.kde.org/D12578

AFFECTED FILES
  autotests/unit/file/pendingfilequeuetest.cpp
  src/engine/transaction.cpp
  src/file/fileindexerconfig.cpp
  src/file/fileindexscheduler.cpp
  src/file/firstrunindexer.cpp
  src/file/indexcleaner.cpp
  src/file/modifiedfileindexer.cpp
  src/file/newfileindexer.cpp
  src/file/xattrindexer.cpp
  src/kioslaves/kded/baloosearchmodule.cpp
  src/lib/query.cpp
  src/lib/searchstore.cpp
  src/lib/taglistjob.cpp
  src/lib/term.cpp

To: mgallien, #baloo, #frameworks, bruns
Cc: kde-frameworks-devel, bruns, ashaposhnikov, michaelh, astippich, spoorun, ngraham
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