Special case for dotget-core-buildpack go src dir
Special case for dotget-core-buildpack go src dir

Signed-off-by: Jack Feeny <08e967232d816ca2bc17cbf96236764e04db83b7@pivotal.io>

cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci