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

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  r156755 | tilghman | 2008-11-13 18:41:37 -0600 (Thu, 13 Nov 2008) | 6 lines
  
  ast_waitfordigit() requires that the channel be up, for no good logical
  reason.  This prevents While/EndWhile from working within the "h"
  extension.
  Reported by: jgalarneau (for ABE C.2)
  Fixed by: me
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@156756 65c4cc65-6c06-0410-ace0-fbb531ad65f3