Merged revisions 251986 via svnmerge from

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

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  r251986 | rmudgett | 2010-03-12 13:33:22 -0600 (Fri, 12 Mar 2010) | 1 line
  
  Make chan_dahdi wakeup_sub() prototype not conditional.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@251987 65c4cc65-6c06-0410-ace0-fbb531ad65f3