[Pidgin] #7319: irc username is system username

[Pidgin]

#7319: irc username is system username
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 Reporter:  gareth        |     Owner:  lschiere
     Type:  defect        |    Status:  new     
Component:  unclassified  |   Version:  2.5.2   
 Keywords:                |  
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 by default your irc username is your system username. this is a leak of
 personal information.

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Ticket URL: <http://developer.pidgin.im/ticket/7319>
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