modify ReleaseSound so that it performs a partial release of unused sounds, useful for responding to memory warnings
/*
* Hedgewars-iOS, a Hedgewars port for iOS devices
* Copyright (c) 2009-2010 Vittorio Giovara <vittorio.giovara@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* File created on 25/04/2010.
*/
#ifdef __OBJC__
#import <Foundation/Foundation.h>
#import <CoreGraphics/CoreGraphics.h>
#import <UIKit/UIKit.h>
#import "PascalImports.h"
#import "UIImageExtra.h"
#import "DefinesAndMacros.h"
#import "HedgewarsAppDelegate.h"
#import "AudioManagerController.h"
#import "HWUtils.h"
#import "ExtraCategories.h"
#endif