https://origsvn.digium.com/svn/asterisk/branches/1.4
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r62171 | russell | 2007-04-27 11:14:11 -0500 (Fri, 27 Apr 2007) | 6 lines
If no variables were passed into pbx_substitute_variables_helper_full(), then
don't even bother creating a temporary bogus channel, since that is only for
allowing certain functions to operate on the variables as if they were on a
channel. Most importantly, this fixes a crash.
(issue #9613, reported by callguy, fixed by me)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@62172 65c4cc65-6c06-0410-ace0-fbb531ad65f3