[Pidgin] #13290: Fix Crash in Voice/Video Config

[Pidgin]

#13290: Fix Crash in Voice/Video Config
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 Reporter:  paerley  |        Owner:  Maiku          
     Type:  patch    |       Status:  new            
Milestone:           |    Component:  Voice and Video
  Version:  2.7.9    |   Resolution:                 
 Keywords:           |  
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Comment(by paerley):

 Ok, tested as working.  Still not 100% certain this is the proper fix
 though, maybe one of the null checks isn't necessary?  Will see if I can
 add some log output code to it to provide insight into why the particular
 spot is failing.

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Ticket URL: <http://developer.pidgin.im/ticket/13290#comment:1>
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