[VHDL] Add 'character' to types highlight.
[VHDL] Add 'character' to types highlight.

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