[PostGIS] #5851: pg18 support

[PostGIS]

#5851: pg18 support
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  Reporter:  RekGRpth  |      Owner:  pramsey
      Type:  defect    |     Status:  closed
  Priority:  medium    |  Milestone:  PostGIS 3.5.3
 Component:  postgis   |    Version:  master
Resolution:  fixed     |   Keywords:
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Comment (by Regina Obe <lr@…>):

 In [changeset:"a5e29aa336a932f2ffa641aba89b1a99921dca5f/git" a5e29aa/git]:
 {{{#!CommitTicketReference repository="git"
 revision="a5e29aa336a932f2ffa641aba89b1a99921dca5f"
 Allow build on PostgreSQL 18, closes #5851
 for PostGIS 3.6.0 master
 }}}
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5851#comment:3>
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