Update for GNU sed
Update for GNU sed

This change updates a command to support GNU sed.

alexander071/cf-java-client,Orange-OpenSource/cf-java-client,cloudfoundry/cf-java-client,orange-cloudfoundry/cf-java-client,Orange-OpenSource/cf-java-client,orange-cloudfoundry/cf-java-client,alexander071/cf-java-client,cloudfoundry/cf-java-client,cloudfoundry/cf-java-client