nviz2: virtual OnZoomToRaster method added

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@31998 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_modules/mapdisp.py

@@ -160,6 +160,9 @@ class MapWindow(object):
     def OnZoomToMap(self, event):
         pass
 
+    def OnZoomToRaster(self, event):
+        pass
+
     def GetSelectedLayer(self, nviz=False, index=False):
         """Get selected layer from layer tree