Snippets for kde-cli-tools 6.8.0 from Fedora s390x

Sourced from https://kojipkgs.fedoraproject.org/packages/kde-cli-tools/6.8.0/1.fc46/data/logs/s390x/build.log.

• /builddir/build/BUILD/kde-cli-tools-6.8.0-build/kde-cli-tools-6.8.0/kmimetypefinder/kmimetypefinder.cpp:50:20: warning: ignoring return value of ‘bool QFile::open(FILE*, QIODeviceBase::OpenMode, QFileDevice::FileHandleFlags)’, declared with attribute ‘nodiscard’ [-Wunused-result]
     50 |         qstdin.open(stdin, QIODevice::ReadOnly);
        |         ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~