[Pidgin] #6562: perl enhancments/cleanup for Prefs/Certificate/Util.xs

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#6562: perl enhancments/cleanup for Prefs/Certificate/Util.xs
-----------------------------------------+----------------------------------
 Reporter:  zdeqb                        |     Owner:  lschiere
     Type:  patch                        |    Status:  new     
Component:  unclassified                 |   Version:          
 Keywords:  perl prefs util certificate  |  
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 This patch contains various 'enhancements' from my local tree...
 which were left out from #5912, #4844 and #5957 by me.

 1. Removes a warning in Certifcate.xs

 2. Modifies the various `purple_prefs_{add,set}_{path,string}_list()`
 bindings,
 so that the list can be specified as a 'list' or an 'array ref'
 (passing a list feels more perlish ;-):

 {{{
 Purple::Prefs::set_string_list('/lala', 'string1', 'string2');
 }}}
 or
 {{{
 Purple::Prefs::set_string_list('/lala', ['string1', 'string2']);
 }}}

 3. The bindings for purple_util_chrreplace/purple_str_strip_char caused a
 sigsegv for me (as of aff59a95703...),
 so I've modified them to work...
 Both functions still modify the string in place...

-- 
Ticket URL: <http://developer.pidgin.im/ticket/6562>
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