[Tile-serving] [osm2pgsql] use vectors of pointers in middle-ram to reduce memory footprint (#394)

[Paul Norman]

Merged #394.

---
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/osm2pgsql/pull/394#event-358057035
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/tile-serving/attachments/20150716/d87d4f74/attachment.html>