Prevent seg fault for older GTK+

[wxWidgets.git] / include / wx / quantize.h

diff --git a/include/wx/quantize.h b/include/wx/quantize.h
index 04baaec5f74273e0c4465861e432fdb14541b8a1..db6110dc622e4d9a73f3f126971db02beac38b0e 100644 (file)
--- a/include/wx/quantize.h
+++ b/include/wx/quantize.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        quantize.h
+// Name:        wx/quantize.h
 // Purpose:     wxQuantizer class
 // Author:      Julian Smart
 // Modified by:
@@ -9,6 +9,11 @@
 // Licence:
 /////////////////////////////////////////////////////////////////////////////
 
+#ifndef _WX_QUANTIZE_H_
+#define _WX_QUANTIZE_H_
+
+#include "wx/object.h"
+
 /*
  * From jquant2.c
  *
@@ -17,10 +22,8 @@
  * For conditions of distribution and use, see the accompanying README file.
  */
 
-#ifndef _WX_QUANTIZE_H_
-#define _WX_QUANTIZE_H_
-
 class WXDLLEXPORT wxImage;
+class WXDLLEXPORT wxPalette;
 
 /*
  * wxQuantize
@@ -39,7 +42,7 @@ DECLARE_DYNAMIC_CLASS(wxQuantize)
 //// Constructor
 
     wxQuantize() {}
-    ~wxQuantize() {}
+    virtual ~wxQuantize() {}
 
 //// Operations
 
@@ -71,4 +74,3 @@ DECLARE_DYNAMIC_CLASS(wxQuantize)
 
 #endif
     // _WX_QUANTIZE_H_
-