Added workaround for gcc 4.6 with C array

include/boost/fusion/container/list/cons.hpp

@@ -70,6 +70,10 @@ namespace boost { namespace fusion
         cons(cons<Car2, Cdr2> const& rhs)
             : car(rhs.car), cdr(rhs.cdr) {}
 
+#if BOOST_WORKAROUND(BOOST_GCC, / 100 == 406) && !defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS)
+        // Workaround for `array used as initializer` compile error on gcc 4.6 w/ c++0x.
+        template <typename = void>
+#endif
         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
         cons(cons const& rhs)
             : car(rhs.car), cdr(rhs.cdr) {}