[SCM] libspatialindex tag, debian/1.8.1-1, updated. upstream/1.8.1-31-g821fcb8

[Bas Couwenberg]

The tag, debian/1.8.1-1 has been updated
        to  821fcb880f78b23153e31575d25f3429a5d6e3b8 (commit)
      from  8f2f0760254906a5eeb44abe177e124641126feb

- Shortlog ------------------------------------------------------------
commit 821fcb880f78b23153e31575d25f3429a5d6e3b8
Author: Bas Couwenberg <sebastic at xs4all.nl>
Date:   Fri Jan 10 21:18:56 2014 +0100

    Add patch to include linking to libspatialindex in pkg-config file.
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A general framework for developing spatial indices