[MacPorts] #38950: lua: update to 5.2.2

[MacPorts]

#38950: lua: update to 5.2.2
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 Reporter:  audistard@…  |      Owner:  macports-tickets@…
     Type:  update       |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:               |       Port:  lua
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 Update lua to 5.2.2.

 Makefile patches are based on those from 5.1.4.
 The source tarball no longer has etc or test directories and the HISTORY &
 COPYRIGHT files no longer exist.
 Added COPYRIGHT as a patch

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Ticket URL: <https://trac.macports.org/ticket/38950>
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