Code style tweak in optional.hh
Code style tweak in optional.hh

casimir/kakoune,mawww/kakoune,jkonecny12/kakoune,alexherbo2/kakoune,lenormf/kakoune,Somasis/kakoune,jjthrash/kakoune,occivink/kakoune,danr/kakoune,mawww/kakoune,lenormf/kakoune,mawww/kakoune,alexherbo2/kakoune,alexherbo2/kakoune,danr/kakoune,danr/kakoune,jkonecny12/kakoune,jjthrash/kakoune,jkonecny12/kakoune,alexherbo2/kakoune,Somasis/kakoune,danr/kakoune,jjthrash/kakoune,jkonecny12/kakoune,occivink/kakoune,casimir/kakoune,lenormf/kakoune,Somasis/kakoune,mawww/kakoune,Somasis/kakoune,occivink/kakoune,jjthrash/kakoune,casimir/kakoune,lenormf/kakoune,occivink/kakoune,casimir/kakoune