(svn r13626) -Fix (r11871): signals were not updated when player removed signals from nonexistent track sharing bits with existing track
So disallow removing signals from nonexistent track

/* $Id$ */

/** @file unmovable.h Functions related to unmovable objects. */

#ifndef UNMOVABLE_H
#define UNMOVABLE_H

void UpdateCompanyHQ(Player *p, uint score);

#endif /* UNMOVABLE_H */