Bug-fix -- avoid referencing invalid memory
Bug-fix -- avoid referencing invalid memory

ArvinPan/atomspace,inflector/atomspace,yantrabuddhi/atomspace,rTreutlein/atomspace,misgeatgit/atomspace,AmeBel/atomspace,rTreutlein/atomspace,misgeatgit/atomspace,yantrabuddhi/atomspace,AmeBel/atomspace,misgeatgit/atomspace,inflector/atomspace,AmeBel/atomspace,inflector/atomspace,yantrabuddhi/atomspace,AmeBel/atomspace,rTreutlein/atomspace,yantrabuddhi/atomspace,rTreutlein/atomspace,ArvinPan/atomspace,inflector/atomspace,misgeatgit/atomspace,inflector/atomspace,misgeatgit/atomspace,yantrabuddhi/atomspace,AmeBel/atomspace,ArvinPan/atomspace,rTreutlein/atomspace,ArvinPan/atomspace