[MacPorts] #59997: tclreadline 2.3.8: Update version, enable stubs build

[MacPorts]

#59997: tclreadline 2.3.8: Update version, enable stubs build
------------------------+-------------------------
 Reporter:  DanielO     |      Owner:  (none)
     Type:  update      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.6.2
 Keywords:  maintainer  |       Port:  tclreadline
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 As it says in the summary.

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Ticket URL: <https://trac.macports.org/ticket/59997>
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