Index: undo_old.c
===================================================================
--- undo_old.c	(revision 15595)
+++ undo_old.c	(revision 15596)
@@ -94,7 +94,6 @@
 static pcb_bool UndoChangeAngles(UndoListTypePtr);
 static pcb_bool UndoChangeRadii(UndoListTypePtr);
 static pcb_bool UndoChangeClearSize(UndoListTypePtr);
-static pcb_bool UndoChangeMaskSize(UndoListTypePtr);
 static pcb_bool UndoClearPoly(UndoListTypePtr);