[MacPorts] #48660: update xrg to 2.0

[MacPorts]

#48660: update xrg to 2.0
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 Reporter:  snc@…   |      Owner:  macports-tickets@…
     Type:  update  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  xrg
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 There's an update available for xrg, but I cannot get it to build. Partial
 patch attached.

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Ticket URL: <https://trac.macports.org/ticket/48660>
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