[Pidgin] #17274: port backend-fs to newer api for farstream relay-info property

[Pidgin]

#17274: port backend-fs to newer api for farstream relay-info property
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 Reporter:  bellet                            |       Owner:
     Type:  patch                             |      Status:  closed
Milestone:  2.13.0                            |   Component:  libpurple
  Version:  2.12.0                            |  Resolution:  fixed
 Keywords:  backend-fs2 farstream relay-info  |
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Changes (by Robby):

 * milestone:  2.12.1 => 2.13.0


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Ticket URL: <https://developer.pidgin.im/ticket/17274#comment:5>
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