diff -r b72c6db6890b -r 5dc02b23752f tools/qdoc3/mangenerator.cpp
--- a/tools/qdoc3/mangenerator.cpp	Wed Jun 23 19:07:03 2010 +0300
+++ b/tools/qdoc3/mangenerator.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -187,7 +187,7 @@
     generateFooter();
 }
 
-QString ManGenerator::fileExtension(const Node * /* node */)
+QString ManGenerator::fileExtension(const Node * /* node */) const
 {
     return "3qt";
 }