VU_SoundDelete doesnt Deallocates sound

[Limbooc]

VU_SoundDelete does not clear memory when changing the map, and when changing the map, the index is added

`
#include
#include
#include

new VU_Sound:szSound

new const szBuffer[] = "adrenalin.wav"

public plugin_init()
{

register_clcmd("say /voice", "func_voice")
register_clcmd("say /stop", "func_stop")

new s_File_tmpPath[512];
formatex(s_File_tmpPath, charsmax(s_File_tmpPath),"addons/amxmodx/data/revoice_plus_sound/%s",szBuffer)
if(file_exists(s_File_tmpPath))
{
	new VU_Sound:soundId = VU_SoundCreateFromFile(s_File_tmpPath);
	log_amx("Load %s = %i", s_File_tmpPath,soundId)
	szSound = soundId;
}

}

public plugin_end()
{
VU_SoundDelete(szSound)
log_amx("VU_SoundDelete = %i", szSound)
}

public func_voice(id)
{
VU_SoundPlay(0, id, szSound);
log_amx("%d", szSound);
}

public func_stop(id)
{

}

`