[PostGIS] #5870: liblwgeom compile failure on PG17 and PG18 GHA runs

[PostGIS]

#5870: liblwgeom compile failure on PG17 and PG18 GHA runs
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  Reporter:  robe     |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  blocker  |  Milestone:  PostGIS 3.6.0
 Component:  postgis  |    Version:  master
Resolution:           |   Keywords:
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Comment (by robe):

 Looks like it started failing with this commit

 https://github.com/postgis/postgis/commit/b159ebbe934c190fc874581fb5dbda6f9bd7453b
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5870#comment:1>
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