[Pidgin] #3982: Fix: Autoaccept plugin saves files to subdirectories based on resource

[Pidgin]

#3982: Fix: Autoaccept plugin saves files to subdirectories based on resource
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 Reporter:  galt                    |       Type:  patch
   Status:  new                     |   Priority:  minor
Component:  plugins                 |    Version:  2.2.2
 Keywords:  autoaccept,xmpp,jabber  |    Pending:  0    
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 When a file is received by the auto-accept plugin, it is saved to a
 directory based on the sender's ID. If the protocol used is XMPP, the
 sender's ID (as represented in xfer->who) is of the form
 "user at server/resource", which causes received files to be saved in
 subdirectories based on the resource name. I doubt this is intended or
 preferable behaviour.

 From a user perspective, it really doesn't matter which resource the file
 was sent from. It also gets messy when the sender is on GTalk, because
 GTalk adds a (random?) suffix to the user's resource, and that suffix
 changes every time the user logs in. The result is a mess of lots of
 subdirectories all named "Home57A042B5" and such.

 I'm attaching a (slightly hackish) patch that I think solves this issue.

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Ticket URL: <http://developer.pidgin.im/ticket/3982>
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