[MacPorts] #44195: pidgin-bot-sentry: fix livecheck, license, mode line

[MacPorts]

#44195: pidgin-bot-sentry: fix livecheck, license, mode line
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 Reporter:  devans@…  |      Owner:  nefar@…
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:            |       Port:  pidgin-bot-sentry
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 The attached patch fixes livecheck and adds a license line as well as a
 mode line.  Tabs have been reformatted to conform to the mode line
 specification.

 Please advise if this is OK to commit.

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Ticket URL: <https://trac.macports.org/ticket/44195>
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