Fix memory leak in !!word which is not in the dict
Fix memory leak in !!word which is not in the dict

MadBomber/link-grammar,opencog/link-grammar,opencog/link-grammar,opencog/link-grammar,ampli/link-grammar,opencog/link-grammar,opencog/link-grammar,ampli/link-grammar,linas/link-grammar,opencog/link-grammar,linas/link-grammar,linas/link-grammar,linas/link-grammar,MadBomber/link-grammar,ampli/link-grammar,ampli/link-grammar,linas/link-grammar,MadBomber/link-grammar,linas/link-grammar,ampli/link-grammar,linas/link-grammar,linas/link-grammar,ampli/link-grammar,opencog/link-grammar,linas/link-grammar,MadBomber/link-grammar,ampli/link-grammar,MadBomber/link-grammar,opencog/link-grammar,ampli/link-grammar,opencog/link-grammar,MadBomber/link-grammar,ampli/link-grammar,MadBomber/link-grammar,MadBomber/link-grammar