update call to correct class
update call to correct class

ConfigureMenuEvent::Configure is a correct access, I think!
bocharsky-bw/KnpMenuBundle,Soullivaneuh/KnpMenuBundle,javiereguiluz/KnpMenuBundle,Nek-/KnpMenuBundle,stof/KnpMenuBundle,piotrantosik/KnpMenuBundle,benji07/KnpMenuBundle,WouterJ/KnpMenuBundle,KnpLabs/KnpMenuBundle,Soullivaneuh/KnpMenuBundle