Index: change.h
===================================================================
--- change.h	(revision 6)
+++ change.h	(revision 7)
@@ -98,7 +98,7 @@
 bool ChangeObjectJoin (int, void *, void *, void *);
 bool SetObjectJoin (int, void *, void *, void *);
 bool ClrObjectJoin (int, void *, void *, void *);
-bool ChangeObjectSquare (int, void *, void *, void *);
+bool ChangeObjectSquare (int, void *, void *, void *, int);
 bool SetObjectSquare (int, void *, void *, void *);
 bool ClrObjectSquare (int, void *, void *, void *);
 bool ChangeObjectOctagon (int, void *, void *, void *);