[MacPorts] #65866: Update libxslt to 1.1.37

[MacPorts]

#65866: Update libxslt to 1.1.37
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 Reporter:  szhorvat  |      Owner:  (none)
     Type:  update    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:            |       Port:  libxslt
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 This is a request to update libxslt to version 1.1.37.

 I would like to suggest completing https://trac.macports.org/ticket/63601
 at the same time.

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Ticket URL: <https://trac.macports.org/ticket/65866>
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