Blocked revisions 77871 via svnmerge

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r77871 | file | 2007-08-01 15:08:51 -0300 (Wed, 01 Aug 2007) | 4 lines

(closes issue #10351)
Reported by: ftarz
Some platforms don't like it when you pass NULL to vsnprintf so pass "" instead.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@77872 65c4cc65-6c06-0410-ace0-fbb531ad65f3