[Pidgin] #17307: finch.1 typo fix and more man-page stuff

[Pidgin]

#17307: finch.1 typo fix and more man-page stuff
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 Reporter:  stars   |      Owner:  EionRobb
     Type:  patch   |     Status:  new
Milestone:          |  Component:  unclassified
  Version:  2.13.0  |   Keywords:
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 Just a typo fix in finch.1.in
 Also attached is a diff for a typo fix in pidgin.1.im
 Importantly, I could not find a purple-remote man page, despite both the
 finch and pidgin man pages mentioning one. There are also tons of mentions
 to AIM, despite AIM being discontinued in late 2017.

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Ticket URL: <https://developer.pidgin.im/ticket/17307>
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