[Tile-serving] [osm2pgsql] Cleanup based on the output of LLVM's static analyzer (#299)

[Paul Norman]

> @@ -742,7 +740,7 @@ int output_gazetteer_t::process_relation(osmid_t id, struct member *members,
>          return 0;
>  
>      /* get the boundary path (ways) */
> -    osmid_t *xid2 = new osmid_t[member_count+1];
> +    std::vector<osmid_t> xid2(member_count+1);

`xid2[count] = members[i].id;` below could become xid2.push_back(members[i].id), and the `count == 0` check could then use xid2.size()

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Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/osm2pgsql/pull/299/files#r25123148
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