[Pidgin] #7044: fix proxy.c bug introduced in 2.5.1

[Pidgin]

#7044: fix proxy.c bug introduced in 2.5.1
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 Reporter:  eperez  |        Owner:  nosnilmot
     Type:  patch   |       Status:  pending  
Milestone:          |    Component:  libpurple
  Version:  2.5.1   |   Resolution:           
 Keywords:          |  
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Changes (by datallah):

  * status:  new => pending


Comment:

 This isn't right.

 From the [http://library.gnome.org/devel/glib/stable/glib-Spawning-
 Processes.html#g-spawn-sync glib documentation]:
 "If an error occurs, no data is returned in standard_output,
 standard_error, or exit_status."

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Ticket URL: <http://developer.pidgin.im/ticket/7044#comment:2>
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