Merged revisions 331956 via svnmerge from

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

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  r331956 | rmudgett | 2011-08-15 12:35:03 -0500 (Mon, 15 Aug 2011) | 20 lines
  
  Merged revisions 331955 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.8
  
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    r331955 | rmudgett | 2011-08-15 12:24:08 -0500 (Mon, 15 Aug 2011) | 13 lines
    
    Fix some minor chan_dahdi config load issues.
    
    * Address chan_dahdi.conf dahdichan option todo item about needing line
    number.
    
    * Make ignore_failed_channels option also apply to dahdichan option.
    
    * Don't attempt to create a default pseudo channel if the chan_dahdi.conf
    channel/channels option is not allowed.
    
    * Add a similar check for dahdichan in normal chan_dahdi.conf sections as
    is done in users.conf.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@331957 65c4cc65-6c06-0410-ace0-fbb531ad65f3