(svn r7047) -Fix [FS#317]: Zooming out near map-borders would previously fail because the new centre
would be outside the map. Change behaviour so that a reasonable approximation is
returned so that zooming (out) still works (GrimRC)
/* $Id$ */
#include "../stdafx.h"
#include "../openttd.h"
#include "null_s.h"
static const char *NullSoundStart(const char * const *parm) { return NULL; }
static void NullSoundStop(void) {}
const HalSoundDriver _null_sound_driver = {
NullSoundStart,
NullSoundStop,
};