Fixing host disposal issue (#1173)
Fixing host disposal issue (#1173)

fabiocav/azure-webjobs-sdk-script,Azure/azure-webjobs-sdk-script,Azure/azure-webjobs-sdk-script,Azure/azure-webjobs-sdk-script,Azure/azure-webjobs-sdk-script,fabiocav/azure-webjobs-sdk-script,fabiocav/azure-webjobs-sdk-script,fabiocav/azure-webjobs-sdk-script