Fix memory leak.  Was assigning vec = vec.toEnum(), but should have called frame.add(name, frame.remove(i).toEnum()), such that the frame still maintained ownership of the key.
Fix memory leak.  Was assigning vec = vec.toEnum(), but should have called
frame.add(name, frame.remove(i).toEnum()), such that the frame still maintained
ownership of the key.

111t8e/h2o-2,calvingit21/h2o-2,rowhit/h2o-2,rowhit/h2o-2,h2oai/h2o-2,eg-zhang/h2o-2,h2oai/h2o,100star/h2o,elkingtonmcb/h2o-2,calvingit21/h2o-2,h2oai/h2o-2,calvingit21/h2o-2,h2oai/h2o,100star/h2o,h2oai/h2o-2,h2oai/h2o-2,eg-zhang/h2o-2,calvingit21/h2o-2,calvingit21/h2o-2,rowhit/h2o-2,vbelakov/h2o,100star/h2o,eg-zhang/h2o-2,elkingtonmcb/h2o-2,calvingit21/h2o-2,vbelakov/h2o,rowhit/h2o-2,h2oai/h2o,rowhit/h2o-2,calvingit21/h2o-2,vbelakov/h2o,elkingtonmcb/h2o-2,111t8e/h2o-2,h2oai/h2o-2,111t8e/h2o-2,eg-zhang/h2o-2,vbelakov/h2o,h2oai/h2o,111t8e/h2o-2,elkingtonmcb/h2o-2,111t8e/h2o-2,100star/h2o,100star/h2o,vbelakov/h2o,eg-zhang/h2o-2,h2oai/h2o-2,h2oai/h2o,eg-zhang/h2o-2,h2oai/h2o-2,elkingtonmcb/h2o-2,vbelakov/h2o,h2oai/h2o,elkingtonmcb/h2o-2,rowhit/h2o-2,111t8e/h2o-2,eg-zhang/h2o-2,rowhit/h2o-2,vbelakov/h2o,elkingtonmcb/h2o-2,eg-zhang/h2o-2,rowhit/h2o-2,h2oai/h2o-2,elkingtonmcb/h2o-2,h2oai/h2o,111t8e/h2o-2,eg-zhang/h2o-2,111t8e/h2o-2,h2oai/h2o,100star/h2o,calvingit21/h2o-2,vbelakov/h2o,calvingit21/h2o-2,h2oai/h2o,elkingtonmcb/h2o-2,vbelakov/h2o,rowhit/h2o-2,elkingtonmcb/h2o-2,100star/h2o,eg-zhang/h2o-2,h2oai/h2o-2,h2oai/h2o-2,rowhit/h2o-2,111t8e/h2o-2,100star/h2o,calvingit21/h2o-2,h2oai/h2o,111t8e/h2o-2,100star/h2o,vbelakov/h2o