[PostGIS] #5987: ST_GeometryN breaks for unitary geometries

[PostGIS]

#5987: ST_GeometryN breaks for unitary geometries
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  Reporter:  joto     |      Owner:  pramsey
      Type:  defect   |     Status:  closed
  Priority:  high     |  Milestone:  PostGIS 3.6.1
 Component:  postgis  |    Version:  3.6.x
Resolution:  fixed    |   Keywords:
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Comment (by pramsey):

 The "FREE IF COPY"... when it wasn't a table it wasn't a copy.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5987#comment:5>
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