Fix switching of audio devices on Windows.

Fixes #21337

SDL/SDLMain.cpp

@@ -1290,7 +1290,7 @@ static void ProcessSDLEvent(SDL_Window *window, const SDL_Event &event, InputSta
 				break;
 			}
 			// Don't start auto switching for a couple of seconds, because some devices init on start.
-			bool doAutoSwitch = g_Config.bAutoAudioDevice;
+			bool doAutoSwitch = g_Config.bAutoSwitchAudioDevice;
 			if ((time_now_d() - g_audioStartTime) < 3.0) {
 				INFO_LOG(Log::Audio, "Ignoring new audio device: %s (current: %s)", name, g_Config.sAudioDevice.c_str());
 				doAutoSwitch = false;