Snippets for plasma-systemmonitor 6.7.5 from Nix x86_64-linux

Sourced from https://hydra.nixos.org/log/frvxdri0hdmxrib2gcfd24036qa5igkn-plasma-systemmonitor-6.7.5.drv.

• /build/plasma-systemmonitor-6.7.5/src/main.cpp:96:10: warning: unused variable ‘sessionManager’ [-Wunused-variable]
     96 |     auto sessionManager = new SessionManager(&app);
        |          ^~~~~~~~~~~~~~