[Pidgin] #14387: Crash on changing nickname via "/nick" on XMPP

[Pidgin]

#14387: Crash on changing nickname via "/nick" on XMPP
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 Reporter:  MWPollard     |     Owner:  rekkanoryo
     Type:  defect        |    Status:  new       
Component:  unclassified  |   Version:  2.9.0     
 Keywords:                |  
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 I use a corporate XMPP server. If I change my status to Offline, then
 change it back to Online, my nickname reverts to default.

 In Pidgin 2.9.0, when I then try to change my nickname back via "/nick
 Michael Pollard (MT)", Pidgin crashes. This command worked properly in
 2.7.x.

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Ticket URL: <http://developer.pidgin.im/ticket/14387>
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