Added Windows XP build configuration.

Removed unused SDL inits.

SpaceCadetPinball/winmain.cpp

@@ -52,7 +52,8 @@ int winmain::WinMain(LPCSTR lpCmdLine)
 
 	// SDL init
 	SDL_SetMainReady();
-	if (SDL_Init(SDL_INIT_EVERYTHING) < 0)
+	if (SDL_Init(SDL_INIT_TIMER | SDL_INIT_AUDIO | SDL_INIT_VIDEO |
+		SDL_INIT_EVENTS | SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER) < 0)
 	{
 		SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Could not initialize SDL2", SDL_GetError(), nullptr);
 		return 1;