gcc 4.3 fixes for normal and -std=c++0x modes

[SVN r46573]

test/common_functors.hpp

@@ -41,6 +41,14 @@ class new_cloner
    {  return new T(t);  }
 };
 
+template<class T>
+class new_default_factory
+{
+   public:
+      T *operator()()
+   {  return new T();  }
+};
+
 }  //namespace test       {
 }  //namespace intrusive  {
 }  //namespace boost      {