[MacPorts] #48576: tcsh: update to 6.19.00

[MacPorts]

#48576: tcsh: update to 6.19.00
-----------------------------+--------------------------------
 Reporter:  youvegotmoxie@…  |      Owner:  macports-tickets@…
     Type:  update           |     Status:  new
 Priority:  Normal           |  Milestone:
Component:  ports            |    Version:  2.3.3
 Keywords:  haspatch         |       Port:  tcsh
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 shells/tcsh v6.19.00 was released a few months ago and is set to
 nomaintainer, I would like to maintain the port.

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Ticket URL: <https://trac.macports.org/ticket/48576>
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