Merged revisions 125276 via svnmerge from

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

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r125276 | tilghman | 2008-06-26 06:01:21 -0500 (Thu, 26 Jun 2008) | 7 lines

Check for rtcp structure before trying to delete schedule.
(closes issue #12872)
 Reported by: destiny6628
 Patches: 
       20080621__bug12872.diff.txt uploaded by Corydon76 (license 14)
 Tested by: destiny6628

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@125277 65c4cc65-6c06-0410-ace0-fbb531ad65f3