[Pidgin] #11986: Separate HTTP and IM proxy servers no longer work in 2.7.0

[Pidgin]

#11986: Separate HTTP and IM proxy servers no longer work in 2.7.0
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 Reporter:  psmith2100    |     Owner:  rekkanoryo
     Type:  defect        |    Status:  new       
Component:  unclassified  |   Version:  2.7.0     
 Keywords:                |  
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 I upgraded my corporate laptop to 2.7.0 from 2.6.6, I can no longer
 connect to Yahoo, and I can't find a place to re-download to 2.6.6.

 I get an error that says "Unable to connect: The server returned an empty
 response."

 My corporate LAN uses separate HTTP and IM proxy servers.  The HTTP proxy
 obviously handles HTTP traffic and a separate SOCKS5 proxy handles IM
 traffic.

 This was a problem in an earlier version of Pidgin, and I believe it was
 fixed in 2.6.3 or 4 and worked all the way up through 2.6.6, and now it no
 longer works in 2.7.0.

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Ticket URL: <http://developer.pidgin.im/ticket/11986>
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