Fix following Address Sanitizer

include/dynamic-graph/signal-ptr.h

@@ -129,8 +129,9 @@ namespace dynamicgraph
 						std::string next2="" ) const;
 
   protected: // Interdiction of the rest of the heritage
-
+    using Signal<T,Time>::addDependency;
     virtual void addDependency () {}
+    using Signal<T,Time>::removeDependency;
     virtual void removeDependency () {}
     virtual void clearDependencies () {}