[PostGIS] #5602: GEOS 3.6 and GEOS 3.7 drop for PostGIS 3.5.0

[PostGIS]

#5602: GEOS 3.6 and GEOS 3.7 drop for PostGIS 3.5.0
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  Reporter:  robe     |      Owner:  robe
      Type:  task     |     Status:  closed
  Priority:  blocker  |  Milestone:  PostGIS 3.5.0
 Component:  build    |    Version:  master
Resolution:  fixed    |   Keywords:
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Comment (by Regina Obe <lr@…>):

 In [changeset:"ea8364b71272d8e3501d0a5617cacca04c11964e/git"
 ea8364b7/git]:
 {{{#!CommitTicketReference repository="git"
 revision="ea8364b71272d8e3501d0a5617cacca04c11964e"
 Put back geos 3.9 ifdef mistakenly taken out.  References #5602
 }}}
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5602#comment:5>
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