prepare database for rendering sac_scale, via_ferrata and trail visibility

Author: max-dn

mapnik/osm2pgsql/opentopomap.style

@@ -146,7 +146,6 @@ node,way	resource	text		polygon
 node,way   route        text         linear
 node,way   ruins        text         polygon
 way        sac_scale    text         linear
-way        via_ferrata_scale    text         linear
 node,way   service      text         linear
 node,way   shop         text         polygon
 node,way   site_type    text         polygon
@@ -164,6 +163,7 @@ way        trail_visibility     text	linear
 node		train		text		polygon
 node,way   tunnel       text         linear
 node,way   type         text         polygon
+way        via_ferrata_scale    text         linear
 node,way   voltage      text         linear
 node,way   water        text         polygon
 node,way   waterway     text         polygon