(svn r5714) Backport from branches/TGP (r5701 and r5711)
-Fix: < > boxes in patch-settings didn't grey out when they hit the limit of their range
-Codechange: while at it, prettyfied DrawArrowButtons() a bit
-Fix: < > boxes in industry production window (when cheat enabled) had a minor glitch

/* $Id */

#ifndef UNMOVABLE_H
#define UNMOVABLE_H

void UpdateCompanyHQ(Player *p, uint score);

#endif