[eve7] fix compiler warning, use override instead of virtual

graf3d/eve7/inc/ROOT/REveDataSimpleProxyBuilderTemplate.hxx

@@ -17,28 +17,26 @@ public:
    }
 
 protected:
-   using REveDataSimpleProxyBuilder::Build;
-   virtual void Build(const void *iData, int index, REveElement *itemHolder, const REveViewContext *context)
+   void Build(const void *iData, int index, REveElement *itemHolder, const REveViewContext *context) override
    {
       if(iData) {
          Build(*reinterpret_cast<const T*> (iData), index, itemHolder, context);
       }
    }
 
-   using REveDataSimpleProxyBuilder::BuildViewType;
-   virtual void BuildViewType(const void *iData, int index, REveElement *itemHolder, std::string viewType, const REveViewContext *context)
+   void Build(const T & /*iData*/, int /*index*/, REveElement */*itemHolder*/, const REveViewContext */*context*/) override
    {
-      if(iData) {
-         BuildViewType(*reinterpret_cast<const T*> (iData), index, itemHolder, viewType, context);
-      }
+      throw std::runtime_error("virtual Build(const T&, int, REveElement&, const REveViewContext*) not implemented by inherited class.");
    }
 
-   virtual void Build(const T &/*iData*/, int index, REveElement */*itemHolder*/, const REveViewContext */*context*/)
+   void BuildViewType(const void *iData, int index, REveElement *itemHolder, std::string viewType, const REveViewContext *context) override
    {
-      throw std::runtime_error("virtual Build(const T&, int, REveElement&, const REveViewContext*) not implemented by inherited class.");
+      if(iData) {
+         BuildViewType(*reinterpret_cast<const T*> (iData), index, itemHolder, viewType, context);
+      }
    }
 
-   virtual void BuildViewType(const T &/*iData*/, int index, REveElement */*itemHolder*/, std::string /*viewType*/, const REveViewContext */*context*/)
+   void BuildViewType(const T &/*iData*/, int /*index*/, REveElement */*itemHolder*/, std::string /*viewType*/, const REveViewContext */*context*/) override
    {
       throw std::runtime_error("virtual BuildViewType(const T&, int, REveElement&, const REveViewContext*) not implemented by inherited class.");
    }