Snippets for q4wine 1.4.2 from Nix x86_64-linux

Sourced from https://hydra.nixos.org/log/79yj7anpsrfn46ra5xblh7yjp9fh319x-q4wine-1.4.2.drv.

• /build/source/src/core/registry.cpp:128:12: warning: ignoring return value of 'bool QTemporaryFile::open()', declared with attribute 'nodiscard' [-Wunused-result]
    128 |   file.open();
        |   ~~~~~~~~~^~
  

• /build/source/src/q4wine-gui/widgets/prefixtreewidget.cpp:526:12: warning: ignoring return value of 'virtual bool QFile::open(QIODeviceBase::OpenMode)', declared with attribute 'nodiscard' [-Wunused-result]
    526 |   file.open(QIODevice::ReadOnly | QIODevice::Text);
        |   ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~