[Pidgin] #1344: fix for some build warnings

[Pidgin]

#1344: fix for some build warnings
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  Reporter:  o_sukhodolsky  |       Owner:  rlaager 
      Type:  patch          |      Status:  assigned
  Priority:  minor          |   Milestone:  2.0.2   
 Component:  pidgin (gtk)   |     Version:  2.0.1   
Resolution:                 |    Keywords:          
   Pending:  0              |  
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Comment (by rlaager at pidgin.im):

 (In [cf7b23ba7ed5e3eb8eaaeb8986a6ab6bf304bb78]) Part of a patch from
 o_sukhodolsky.

 Make dbus-analyze-functions.py output some_func(void) instead of
 some_func() so
 GCC will recognize it as a prototype.

 References #1344

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Ticket URL: </ticket/1344#comment:17>
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