Merged revisions 300214 via svnmerge from

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

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  r300214 | pitel | 2011-01-04 18:01:52 +0100 (Út, 04 led 2011) | 7 lines
  
  Memory leaking in calendars
  
  ne_request_destroy() was missing in icalendar and exchange calendar modules, causing memory leak.
  
  (closes issue #18521)
  Review: https://reviewboard.asterisk.org/r/1068/
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@300215 65c4cc65-6c06-0410-ace0-fbb531ad65f3