veyron/tools/gclogs: Enable test on darwin
veyron/tools/gclogs: Enable test on darwin

With go1.4, this test should work fine now.

Change-Id: Icfa201c75d629887a4bd23366b1bbd0d8d0f1b33

vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref