Fixed for tag.

__set.h

@@ -11,8 +11,10 @@ namespace jet {
    class __set : public Tag {
    
     public:
-      __set(coreutils::ZString &in, coreutils::MString &out, Global &global);   
-   
+      __set(coreutils::ZString &in, coreutils::MString &parent, Global &global);   
+
+    protected:
+      
    };
       
 }