Create temporary file and then sendmail it, then delete it, to avoid a hanging...

Create temporary file and then sendmail it, then delete it, to avoid a hanging mailcmd from hanging asterisk (bug #1262)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2511 65c4cc65-6c06-0410-ace0-fbb531ad65f3