D9110: Cache value before loop

[Laurent Montel]

mlaurent created this revision.
Restricted Application added a project: Frameworks.
Restricted Application added a subscriber: Frameworks.

REPOSITORY
  R246 Sonnet

BRANCH
  avoid_check_all_the_time

REVISION DETAIL
  https://phabricator.kde.org/D9110

AFFECTED FILES
  src/core/backgroundchecker.cpp
  src/ui/highlighter.cpp

To: mlaurent
Cc: #frameworks
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