Clear the glob_state when there is no next clause to explore
Clear the glob_state when there is no next clause to explore

misgeatgit/atomspace,misgeatgit/atomspace,misgeatgit/atomspace,rTreutlein/atomspace,misgeatgit/atomspace,rTreutlein/atomspace,rTreutlein/atomspace,AmeBel/atomspace,AmeBel/atomspace,AmeBel/atomspace,rTreutlein/atomspace,AmeBel/atomspace,AmeBel/atomspace,misgeatgit/atomspace,rTreutlein/atomspace