Generate nested declaration before cppclass attributes (cypclass)

Cython/Compiler/ModuleNode.py

@@ -914,6 +914,7 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
                 code.put(" : public %s" % base_class_decl)
             code.putln(" {")
             self.generate_type_header_code(scope.type_entries, code)
+            self.generate_cyp_class_wrapper_definitions(scope.sue_entries, code)
             py_attrs = [e for e in scope.entries.values()
                         if e.type.is_pyobject and not e.is_inherited]
             has_virtual_methods = False