fixed for linux
fixed for linux

git-svn-id: http://svn.code.sf.net/p/petavision/code/sandbox@6921 7c0444ca-5550-0410-9008-faecdbe78eb5

Former-commit-id: 3a2f5bfed91459d6d1c6c2be54b43ea1f0231f8d
PetaVision/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV