added missing use statement for contact
added missing use statement for contact

sulu-io/SuluSalesShippingBundle,sulu-io/SuluSalesShippingBundle,sulu-io/SuluSalesShippingBundle,sulu-io/SuluSalesCoreBundle,sulu-io/SuluSalesCoreBundle,sulu-io/sulu-sales,sulu-io/sulu-sales,sulu-io/SuluSalesShippingBundle,sulu-io/sulu-sales,sulu-io/SuluSalesCoreBundle,sulu-io/sulu-sales