Merged revisions 50727 via svnmerge from

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

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r50727 | file | 2007-01-13 01:00:24 -0500 (Sat, 13 Jan 2007) | 2 lines

Only write a frame out to the channel if one exists. There are cases where one may not and would therefore cause the channel driver to segfault. (issue #8434 reported by slimey)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@50728 65c4cc65-6c06-0410-ace0-fbb531ad65f3