Merged revisions 46078 via svnmerge from

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

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r46078 | tilghman | 2006-10-23 22:01:00 -0500 (Mon, 23 Oct 2006) | 3 lines

Pass through a frame if we don't know what it is, rather than trying to pass a
NULL, which will segfault a channel driver (Bug 8149)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@46079 65c4cc65-6c06-0410-ace0-fbb531ad65f3