veyron/examples/stfortune: Bug fix to handle same fortune being put repeatedly.
veyron/examples/stfortune: Bug fix to handle same fortune being put
repeatedly.

Change-Id: I95201650077b74b44171f90e7f55b300a5ff3f8d

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