Bug fix: use only iswlower() in RankedMatch::is_word_boundary()
Bug fix: use only iswlower() in RankedMatch::is_word_boundary()

jkonecny12/kakoune,mawww/kakoune,casimir/kakoune,jkonecny12/kakoune,casimir/kakoune,casimir/kakoune,mawww/kakoune,jkonecny12/kakoune,mawww/kakoune,mawww/kakoune,jkonecny12/kakoune,casimir/kakoune