Merged revisions 81997 via svnmerge from

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

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r81997 | russell | 2007-09-08 13:41:32 -0500 (Sat, 08 Sep 2007) | 2 lines

Fix a small memory leak.  ast_unregister_atexit() did not free the entry it removed.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@81998 65c4cc65-6c06-0410-ace0-fbb531ad65f3