Snippets for qt6-qthttpserver 6.11.2 from Fedora s390x

Sourced from https://kojipkgs.fedoraproject.org/packages/qt6-qthttpserver/6.11.2/1.fc46/data/logs/s390x/build.log.

• /builddir/build/BUILD/qt6-qthttpserver-6.11.2-build/qthttpserver-everywhere-src-6.11.2/examples/httpserver/simple/main.cpp:111:25: warning: moving a local object in a return statement prevents copy elision [-Wpessimizing-move]
    111 |         return std::move(resp);
        |                ~~~~~~~~~^~~~~~