When r378933 was merged into 1.8, it should have also escaped
remote_display, since it will have the same XML encoding problem when
the caller/callee roles are reversed.
(closes issue ABE-2902)
Reported by: Guenther Kelleter
git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@379001 65c4cc65-6c06-0410-ace0-fbb531ad65f3