Copy "Unknown" connection name using strdup to fix warning and allow free(name) to work properly if name is truly unknown.
Copy "Unknown" connection name using strdup to fix warning and allow free(name) to work properly if name is truly unknown.

git-svn-id: 602a26e73ae9f2a14e2bb95676f2e137fcc39919@2348 7c0444ca-5550-0410-9008-faecdbe78eb5

dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV