Fix spelling error in router_outbound_connector_mapping variable name (it was consistent so it didn't result in any errors). Thanks @jerith for spotting and reviewing.
Fix spelling error in router_outbound_connector_mapping variable name (it was consistent so it didn't result in any errors). Thanks @jerith for spotting and reviewing.

praekelt/vumi-go,praekelt/vumi-go,praekelt/vumi-go,praekelt/vumi-go