Snippets for arianna 26.04.3 from Alpine loongarch64

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-loongarch64/community/arianna/arianna-26.04.3-r1.log.

• /home/buildozer/aports/community/arianna/src/arianna-26.04.3/src/tableofcontentmodel.cpp:38:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::unique_ptr<TreeItem> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
     38 |     if (row < 0 || row >= m_childItems.size()) {
        |                    ~~~~^~~~~~~~~~~~~~~~~~~~~~
  

• /home/buildozer/aports/community/arianna/src/arianna-26.04.3/src/autotests/tableofcontenttest.cpp:23:18: warning: ignoring return value of 'virtual bool QFile::open(QIODeviceBase::OpenMode)', declared with attribute 'nodiscard' [-Wunused-result]
     23 |         json.open(QIODevice::ReadOnly);
        |         ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~