--- a/tools/qdoc3/javadocgenerator.h	Mon Jun 21 22:38:13 2010 +0100
+++ b/tools/qdoc3/javadocgenerator.h	Thu Jul 22 16:41:55 2010 +0100
@@ -61,7 +61,7 @@
     QString imageFileName(const Node *relative, const QString &fileBase);
 
 protected:
-    QString fileExtension(const Node *node);
+    QString fileExtension(const Node *node) const;
     void startText( const Node *relative, CodeMarker *marker );
     void endText( const Node *relative, CodeMarker *marker );
     int generateAtom( const Atom *atom, const Node *relative, CodeMarker *marker );