minor bug fix relating to emoticons.
minor bug fix relating to emoticons.

anitzkin/relex,linas/relex,virneo/relex,virneo/relex,rodsol/relex-temp,ainishdave/relex,rodsol/relex,opencog/relex,anitzkin/relex,virneo/relex,opencog/relex,rodsol/relex-temp,leungmanhin/relex,ainishdave/relex,AmeBel/relex,ainishdave/relex,rodsol/relex,linas/relex,rodsol/relex,rodsol/relex,AmeBel/relex,williampma/relex,williampma/relex,leungmanhin/relex,opencog/relex,anitzkin/relex,anitzkin/relex,anitzkin/relex,virneo/relex,rodsol/relex-temp,linas/relex,williampma/relex,ainishdave/relex,rodsol/relex-temp,leungmanhin/relex,AmeBel/relex,williampma/relex,rodsol/relex-temp