[Pidgin] #7687: Perl Purple::Prefs::add_string_list drops the last item when initializing

[Pidgin]

#7687: Perl Purple::Prefs::add_string_list drops the last item when initializing
---------------------+------------------------------------------------------
 Reporter:  samwyse  |        Owner:         
     Type:  defect   |       Status:  new    
Milestone:           |    Component:  plugins
  Version:  2.5.2    |   Resolution:         
 Keywords:           |  
---------------------+------------------------------------------------------

Comment(by darkrain42):

 Attached patch fixes all the usages of av_len() in the Perl API:
 {{{
 The number of elements in the array is "av_len(av) + 1"
 }}}

-- 
Ticket URL: <http://developer.pidgin.im/ticket/7687#comment:2>
Pidgin <http://pidgin.im>
Pidgin