Fix clang completion support with modern clang
Fix clang completion support with modern clang

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