Merged revisions 238915 via svnmerge from

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

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  r238915 | tilghman | 2010-01-08 18:57:58 -0600 (Fri, 08 Jan 2010) | 6 lines
  
  -1 is interpreted as an error, intead of the maximum mask.
  (closes issue #16241)
   Reported by: vnovy
   Patches: 
         manager.c.patch uploaded by vnovy (license 922)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@238916 65c4cc65-6c06-0410-ace0-fbb531ad65f3