https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r321926 | rmudgett | 2011-06-03 17:09:36 -0500 (Fri, 03 Jun 2011) | 18 lines
  
  Asterisk crash when unloading cdr_radius/cel_radius.
  
  The rc_openlog() API call is passed a string that is used by openlog() to
  format log messages.  The openlog() does not copy the string it just keeps
  a pointer to it.  When the module is unloaded, the string is gone from
  memory.  Depending upon module load order and if the other module then has
  an error, a crash happens.
  
  * Pass rc_openlog() a strdup'd string with the understanding that there
  will be a small memory leak if the cdr_radius/cel_radius modules are
  unloaded.
  
  * Call rc_destroy() to free the rc handle memory when the module is
  unloaded.
  
  JIRA AST-483
  JIRA SWP-3062
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@321927 65c4cc65-6c06-0410-ace0-fbb531ad65f3