https://bugs.kde.org/show_bug.cgi?id=335765

proposed patch:
https://bugs.kde.org/attachment.cgi?id=87035

https://projects.kde.org/projects/kde/applications/kde-baseapps/repository/diff/konq-plugins/khtmlsettingsplugin/settingsplugin.cpp?rev=82768a686ccdfca9bbadea91bb47c2638c6f6cda&rev_to=0a71e5a4b48827b664e9c68abd76ca859a3393f0
unified diff:
https://projects.kde.org/projects/kde/applications/kde-baseapps/repository/revisions/82768a686ccdfca9bbadea91bb47c2638c6f6cda/diff/konq-plugins/khtmlsettingsplugin/settingsplugin.cpp?format=diff&rev_to=0a71e5a4b48827b664e9c68abd76ca859a3393f0