Merged revisions 329995 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/10

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  r329995 | qwell | 2011-07-28 10:45:49 -0500 (Thu, 28 Jul 2011) | 13 lines
  
  Merged revisions 329994 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.8
  
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    r329994 | qwell | 2011-07-28 10:45:24 -0500 (Thu, 28 Jul 2011) | 6 lines
    
    Fix a SIP transfer deadlock.
    
    The locking in this function is very scary.  There are like 6 structs involved.
    
    (closes issue AST-470)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@329996 65c4cc65-6c06-0410-ace0-fbb531ad65f3