fix bug in inheritance linking

scope4m/src/main/jastadd/ModelicaToScopeTree.jrag

 aspect ModelicaToScopeTree {
   /** a relational nta attribute to compute the scope tree */
-    syn lazy ScopeTree SourceRoot.scopeTree() {
+  syn lazy ScopeTree SourceRoot.scopeTree() {
     ScopeTree tree = (ScopeTree) scope();
 
     // add all top-level classes
@@ -32,6 +32,7 @@ aspect ModelicaToScopeTree {
         addInheritedScope(superClass.asScope());
       }
     }
+    super.updateInheritance();
   }
 
   /** a relational nta collection attribute to compute scopes */