[OSGeo-Discuss] GEOS 3.3.8 released, upgrade recommended

[Sandro Santilli]

GEOS 3.3.8 has been released, fixing a segfault in computation of
geometry collections with EMPTY components.

Download: http://download.osgeo.org/geos/geos-3.3.8.tar.bz2
MD5 sum: 75be476d0831a2d14958fed76ca266de

All changes since 3.3.7:

  - IsValidOp: throw proper error on nested shells (#608)
  - Fix header guards (#617, #618, #619)
  - WKTWriter::appendCoordinate optimisation
  - Fix centroid computation for collections with empty components (#582)

--strk;