ensure that variables supplied to ast_pbx_outgoing_exten are applied to the...

ensure that variables supplied to ast_pbx_outgoing_exten are applied to the channel even in 'sync' mode (bug #3922, for HEAD only)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5345 65c4cc65-6c06-0410-ace0-fbb531ad65f3