[Pidgin] #6671: Update purple_gnome_proxy_get_info() to check for SOCKS

[Pidgin]

#6671: Update purple_gnome_proxy_get_info() to check for SOCKS
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Reporter:  mattb  |        Type:  patch            
  Status:  new    |   Component:  libpurple        
 Version:  2.5.0  |    Keywords:  gnome socks proxy
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 Current support for using Gnome environmental proxy settings only extends
 to HTTP proxies.  This patch adds support for a SOCKS proxy the user may
 have defined in the Gnome settings.  If both a HTTP and SOCKS proxy are
 specified, the HTTP proxy is preferred.

 This addresses an issue I commented on in
 [http://developer.pidgin.im/ticket/1614 this ticket], but only fixes the
 behavior in Gnome, not Windows.

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Ticket URL: <http://developer.pidgin.im/ticket/6671>
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