fix bug 993561 on openshift-release 3

The bug [993561](https://bugzilla.redhat.com/show_bug.cgi?id=993561) breaks the jenkins client cartridge on release 3.

I cherry picked https://github.com/openshift/origin-server/commit/48f66cdf01510560bbf4bfda1313813da405987a to fix this issue.