(svn r5594) Be more strict what's allowed to be built in a hangar: if the airport can't handle planes/helicopters don't present and disallow building planes/helicopters - the latter case wasn't covered yet.
Also remove an error message about building aircraft which can't be triggered by a normal client

/* $Id$ */

#ifndef CALLBACK_TABLE_H
#define CALLBACK_TABLE_H

#include "functions.h"

extern CommandCallback *_callback_table[];
extern const int _callback_table_count;

#endif /* CALLBACK_TABLE_H */