(svn r6709) -Fix r6679: [build train window] solved an issue that could lead to trailing empty blocks in the list array
Since they were freed with the rest of the array, it only meant that we wasted a few bytes (max 16) while the window were open and we didn't leak memory

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/* $Id$ */

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#include "../stdafx.h"

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#include "../openttd.h"

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#include "null_s.h"

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static const char *NullSoundStart(const char * const *parm) { return NULL; }

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static void NullSoundStop(void) {}

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const HalSoundDriver _null_sound_driver = {

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	NullSoundStart,

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	NullSoundStop,

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};