[Pidgin] #12728: Update Simplified Chinese (zh_CN) translation

[Pidgin]

#12728: Update Simplified Chinese (zh_CN) translation
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Reporter:  happyaron  |        Type:  translation 
  Status:  new        |   Component:  pidgin (gtk)
 Version:  2.7.3      |    Keywords:              
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 Attached.

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Ticket URL: <http://developer.pidgin.im/ticket/12728>
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