Fix eRuby detection
Fix eRuby detection

mawww/kakoune,casimir/kakoune,alexherbo2/kakoune,casimir/kakoune,jkonecny12/kakoune,lenormf/kakoune,alexherbo2/kakoune,casimir/kakoune,alexherbo2/kakoune,lenormf/kakoune,mawww/kakoune,lenormf/kakoune,casimir/kakoune,jkonecny12/kakoune,mawww/kakoune,jkonecny12/kakoune,alexherbo2/kakoune,mawww/kakoune,jkonecny12/kakoune,lenormf/kakoune