Wayland: Stop unreachable warning

[alesliehughes]

*** CID 415586:  Control flow issues  (UNREACHABLE) /platform/linuxbsd/wayland/display_server_wayland.cpp: 590 in DisplayServerWayland::screen_is_kept_on() const() 584
585     bool DisplayServerWayland::screen_is_kept_on() const {
586     #ifdef DBUS_ENABLED
587     	return wayland_thread.window_get_idle_inhibition(MAIN_WINDOW_ID) || screensaver_inhibited;
588     #endif
589
>>>     CID 415586:  Control flow issues  (UNREACHABLE)
>>>     This code cannot be reached: "return this->wayland_thread...".
590     	return wayland_thread.window_get_idle_inhibition(MAIN_WINDOW_ID);
591     }
592
593     Vector<DisplayServer::WindowID> DisplayServerWayland::get_window_list() const {
594     	MutexLock mutex_lock(wayland_thread.mutex);
595

[Riteo]

I'm pretty sure that this should make no practical difference. That said, I suppose that this is more correct.

[AThousandShips]

Please remove the code from your commit message, just a simple description is sufficient

[akien-mga]

Thanks!