diff --git a/common/rfb/PixelTransformer.h b/common/rfb/PixelTransformer.h
index 54b05a5..a368b63 100644
--- a/common/rfb/PixelTransformer.h
+++ b/common/rfb/PixelTransformer.h
@@ -1,5 +1,6 @@
 /* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
  * Copyright 2011 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * Copyright (C) 2011 D. R. Commander.  All Rights Reserved.
  * 
  * This is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,6 +21,7 @@
 #ifndef __RFB_PIXELTRANSFORMER_H__
 #define __RFB_PIXELTRANSFORMER_H__
 
+#include <stdlib.h>
 #include <rfb/Rect.h>
 #include <rfb/PixelFormat.h>
 
@@ -83,6 +85,8 @@
     void translateRect(void* inPtr, int inStride, Rect inRect,
                        void* outPtr, int outStride, Point outCoord) const;
 
+    bool willTransform(void);
+
   private:
     bool economic;