Distinguish military airfield from generic airfield #1580
Description
Show as military_airfield - http://wiki.openstreetmap.org/wiki/Tag:military%3Dairfield (also landuse, and pois if has name)
- combo tagging, prefer
military_airfield: https://www.openstreetmap.org/node/412044660#map=19/51.86662/-1.69666 - sole military airfield tagging: https://www.openstreetmap.org/node/4226596407#map=19/51.20595/-1.74485
Also ensure the polygon is tagged correct, not just the poi.
QA followup for #1423.