[Tile-serving] [osm2pgsql] Rename and clean up wkt_t (#513)

[Sarah Hoffmann]

Renames wkt_t to the more neutral pg_geom_t and gets rid of the shared_ptr wrapper for it.
You can view, comment on, or merge this pull request online at:

  https://github.com/openstreetmap/osm2pgsql/pull/513

-- Commit Summary --

  * rename wkt_t types and move them to stack where possible

-- File Changes --

    M expire-tiles.cpp (2)
    M geometry-builder.cpp (65)
    M geometry-builder.hpp (50)
    M geometry-processor.cpp (12)
    M geometry-processor.hpp (12)
    M output-gazetteer.cpp (26)
    M output-gazetteer.hpp (2)
    M output-multi.cpp (66)
    M output-multi.hpp (5)
    M output-pgsql.cpp (58)
    M processor-line.cpp (7)
    M processor-line.hpp (2)
    M processor-point.cpp (5)
    M processor-point.hpp (2)
    M processor-polygon.cpp (13)
    M processor-polygon.hpp (4)
    M table.cpp (10)
    M table.hpp (2)

-- Patch Links --

https://github.com/openstreetmap/osm2pgsql/pull/513.patch
https://github.com/openstreetmap/osm2pgsql/pull/513.diff

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Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/osm2pgsql/pull/513
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