Merged revisions 114689 via svnmerge from

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

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r114689 | tilghman | 2008-04-26 08:15:21 -0500 (Sat, 26 Apr 2008) | 6 lines

Clicking forward without selecting a message leaves an errant .lock file.
(closes issue #12528)
 Reported by: pukepail
 Patches: 
       patch.diff uploaded by pukepail (license 431)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@114690 65c4cc65-6c06-0410-ace0-fbb531ad65f3