Merged revisions 78063 via svnmerge from

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

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r78063 | russell | 2007-08-03 12:01:07 -0500 (Fri, 03 Aug 2007) | 4 lines

Only pass through HOLD and UNHOLD control frames when the mohinterpret option
is set to "passthrough".  This was pointed out by Kevin in the middle of a
training session.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@78064 65c4cc65-6c06-0410-ace0-fbb531ad65f3