minor change for addition of icons in view mode window

HoleFillerPlugin.cc

@@ -80,7 +80,7 @@ void HoleFillerPlugin::initializePlugin()
 
    toolIcon_ = new QIcon(OpenFlipper::Options::iconDirStr()+OpenFlipper::Options::dirSeparator()+"holefilling.png");
 
-   emit addToolbox( tr("Hole Filler") , tool_ , toolIcon_);
+   emit addToolbox( HoleFillerPlugin::name() , tool_ , toolIcon_);
   }
 }