Merge pull request #4343 from FearlessTobi/port-1487

Port yuzu-emu/yuzu#1487: "Apply the [[maybe_unused]] attribute to the parameter of SetDiscordEnabled()"

src/citra_qt/main.cpp

@@ -1714,7 +1714,7 @@ void GMainWindow::RetranslateStatusBar() {
     multiplayer_state->retranslateUi();
 }
 
-void GMainWindow::SetDiscordEnabled(bool state) {
+void GMainWindow::SetDiscordEnabled([[maybe_unused]] bool state) {
 #ifdef USE_DISCORD_PRESENCE
     if (state) {
         discord_rpc = std::make_unique<DiscordRPC::DiscordImpl>();