[PostGIS] #5975: Enable MobilityDB to call some PostGIS functions

[PostGIS]

#5975: Enable MobilityDB to call some PostGIS functions
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 Reporter:  ezimanyi     |      Owner:  pramsey
     Type:  enhancement  |     Status:  new
 Priority:  medium       |  Milestone:  PostGIS 3.6.0
Component:  postgis      |    Version:  3.5.x
 Keywords:               |
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 Remove some static keywords to enable call these functions from
 MobilityDB. Also add an initialization to -1 to function
 UF_get_collapsed_cluster_ids.
 These changes are in the following PR
 https://github.com/MobilityDB/postgis/commit/4be7c44ef335f0600b1e7344c308caadb29fd06a
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5975>
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