Copy map before iterating
Copy map before iterating

Signed-off-by: Tom Flynn <abc7c57a6537c493534eb3847500f37bef7b716d@gmail.com>
Change-Id: I176cd3137bf063c792ac2011ee6f3c1ddcfa75dc

opendaylight/opflex,opendaylight/opflex,opendaylight/opflex,opendaylight/opflex