Merged revisions 206807 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r206807 | tilghman | 2009-07-16 11:27:35 -0500 (Thu, 16 Jul 2009) | 6 lines
  
  Fix a memory leak.
  (closes issue #15517)
   Reported by: adomjan
   Patches: 
         func_realtime.c-ast_variable_destroy.diff uploaded by adomjan (license 487)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@206808 65c4cc65-6c06-0410-ace0-fbb531ad65f3