Uses strerror in error message
Uses strerror in error message

git-svn-id: http://svn.code.sf.net/p/petavision/code/sandbox@5590 7c0444ca-5550-0410-9008-faecdbe78eb5

Former-commit-id: f6eae0186441411d5ebd8c2cf4a58f55ab9aabda
dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV