Merged revisions 294911 via svnmerge from

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

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  r294911 | jpeeler | 2010-11-12 15:14:43 -0600 (Fri, 12 Nov 2010) | 11 lines
  
  Merged revisions 294910 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
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    r294910 | jpeeler | 2010-11-12 15:14:23 -0600 (Fri, 12 Nov 2010) | 4 lines
    
    Return correct error code if lock path fails. The recent changes to open_mailbox actually caused it to be fixed, but let's be consistent.
    
    Reported by alecdavis in asterisk-dev.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@294912 65c4cc65-6c06-0410-ace0-fbb531ad65f3