An error message returns the objects msg instead of its pointer address.
An error message returns the objects msg instead of its pointer address.

git-svn-id: http://svn.code.sf.net/p/petavision/code/sandbox@2985 7c0444ca-5550-0410-9008-faecdbe78eb5

Former-commit-id: acdca1f1a67f4e67ab7433e525d4d811303546ba
dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV