fix after type renaming (#901)

Author: zedxxx

Delphi/Clipper2Lib/Clipper.Engine.pas

@@ -2842,7 +2842,7 @@ procedure TClipperBase.ExecuteInternal(clipType: TClipType;
   Y: Int64;
   e: PActive;
 begin
-  if clipType = ctNone then Exit;
+  if clipType = ctNoClip then Exit;
   FFillRule := fillRule;
   FClipType := clipType;
   Reset;