[MacPorts] #40230: spatialindex: update to version 1.8.1

[MacPorts]

#40230: spatialindex: update to version 1.8.1
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 Reporter:  stromnov@…  |      Owner:  mnick@…
     Type:  update      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.2.0
 Keywords:  haspatch    |       Port:  spatialindex
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 Version 1.8.1 available at http://download.osgeo.org/libspatialindex/

 Note: license changed to MIT at 1.8.0

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Ticket URL: <https://trac.macports.org/ticket/40230>
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