Adds fix for ProcessRunner test.
Adds fix for ProcessRunner test.

cloudfoundry-incubator/if_warden,cloudfoundry/IronFrame,cloudfoundry/IronFrame,cloudfoundry-incubator/if_warden,cloudfoundry-incubator/IronFrame,stefanschneider/IronFrame,stefanschneider/IronFrame,cloudfoundry-incubator/IronFrame