D10989: Check for nullptr in indexForNode

[Jaime Torres Amate]

jtamate created this revision.
jtamate added reviewers: Frameworks, dfaure.
Restricted Application added a project: Frameworks.
jtamate requested review of this revision.

REVISION SUMMARY
  CCBUG: 390288
  Checking for nullptr will avoid the crash and return an empty
  QModelIndex.

TEST PLAN
  Ask @Valdo if the bug can be reproduced.

REPOSITORY
  R241 KIO

BRANCH
  kate (branched from master)

REVISION DETAIL
  https://phabricator.kde.org/D10989

AFFECTED FILES
  src/widgets/kdirmodel.cpp

To: jtamate, #frameworks, dfaure
Cc: michaelh
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